CN105119932B - The implementation method that ONU equipment internal voice calls in passive optical network - Google Patents
The implementation method that ONU equipment internal voice calls in passive optical network Download PDFInfo
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- CN105119932B CN105119932B CN201510575439.1A CN201510575439A CN105119932B CN 105119932 B CN105119932 B CN 105119932B CN 201510575439 A CN201510575439 A CN 201510575439A CN 105119932 B CN105119932 B CN 105119932B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1069—Session establishment or de-establishment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/161—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
- H04L69/162—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields involving adaptations of sockets based mechanisms
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
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Abstract
The invention discloses in a kind of passive optical network ONU equipment internal voice call implementation method, including：Configure OLT locals IP and Port, caller ONU locals IP and Port；Caller ONU is powered on, and establishes socket, log-on message is sent to OLT, after off-hook, dialing, into dialing status, dialing terminates, and called number and caller SDP parameters are sent to OLT；Calling number and caller SDP parameters are sent to called ONU by OLT matched and searcheds to after being called ONU；If called ONU can continue, called number and called SDP parameters are sent to caller ONU, caller ONU playing RBT after being called ONU off-hooks, sends call setup and gives caller ONU, call setup；If cannot continue, send refuse information and caller ONU, caller ONU is given to play busy tone.The present invention, ONU uses the local IP to communicate with OLT and local Port to establish socket after the power is turned on, and the forwarding of control message is carried out between OLT, realizes internal voice business, it controls message simple between ONU and OLT and interacts less, greatly simplify interaction between ONU and OLT.
Description
Technical field
The present invention relates to PON (Passive Optical Network, passive optical network) technical fields, and in particular to nothing
The implementation method that ONU equipment internal voice calls in the optical network system of source.
Background technology
With the development of IP technologies and VoIP (Voice over Internet Protocol, the networking telephone) technology, IP
Voice just progressively substitutes black phone, and is had been widely used in voice communication system.ONU (Optical at present
Network Unit, optical network unit) realization of telephone service needs upper strata soft switch (soft friendship between ONU equipment inside equipment
It is a kind of functional entity to change, and provides the Call- Control1 of the business with requirement of real-time for next generation network and connection controls
Function is next generation network calling and the core controlled) it is controlled, when ONU equipment and soft switch connection failure or upper strata
When not having soft switch, ONU equipment does not simply fail to provide external voice call business, moreover, ONU equipment inside or same OLT
Voice call service under (Optical Line Terminal, optical line terminal) between ONU equipment can also interrupt.
The content of the invention
The technical problems to be solved by the invention are solved when ONU equipment and soft switch connection failure or upper strata be not soft
During exchange, the problem of voice call service inside ONU equipment or under same OLT between ONU equipment is interrupted.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is to provide in a kind of passive optical network
The implementation method of ONU equipment internal voice calling, comprises the following steps：
OLT locals IP, OLT local Port, caller ONU local between configuration caller ONU and OLT for message to be controlled to forward
IP and caller ONU local Port；
Caller ONU after the power is turned on, is established by caller ONU local IP and caller ONU the local Port to communicate with OLT
The log-on message of caller ONU is sent to OLT by socket, and caller ONU enters broadcasting dialing sound-like after off hook signal is detected
State；
After detecting dialing signal, caller ONU enters dialing status, often detects that a dialed number starts once timing
When detecting timer expiry signal or end of dialing signal, the SDP parameters of called number and caller ONU are sent to for device
OLT；
The SDP parameters of calling number and caller ONU are sent to called ONU by OLT matched and searcheds to after being called ONU；
If called ONU can continue, ONU playing ringing tones are called, and the SDP parameters of called number and called ONU are sent out
Caller ONU is sent to, caller ONU playing RBT after being called ONU off-hooks, stops playing ringing tone, sets the SDP ginsengs of called ONU
Number, and send call setup message and caller ONU, caller ONU is given to stop playing RBT after receiving message, caller ONU is set
SDP parameters, call setup；If called ONU cannot continue, called ONU sends refuse information and caller ONU, caller ONU is given to broadcast
Put busy tone.
In the above-mentioned technical solutions, after call setup, if the caller ONU and the called ONU have side elder generation on-hook,
The talking path of one side of first on-hook is deleted, and sends connection via the OLT and disconnects message to non-one side of on-hook, it is described not hang
One side of machine receives after the connection disconnects message and locally plays busy tone, deletes talking path, terminates local call.
In the above-mentioned technical solutions, the log-on message of the caller ONU is sent to the OLT to be as follows：
The caller ONU after the power is turned on, the log-on message of the caller ONU is sent to the OLT；
After the OLT receives the log-on message of the caller ONU, search whether local record has the caller ONU's
Log-on message, if so, the OLT updates the log-on message of the caller ONU；Otherwise, the OLT preserves the caller ONU
Log-on message, and for the caller ONU distribute internal registration number；
After the caller ONU receives the response message for the internal registration number that the OLT is carried, the OLT is recorded
The internal registration information of distribution, updates the log-on message, while state is updated to the free time.
In the above-mentioned technical solutions, when the number of the caller ONU of the OLT sides has been over what maximum can carry
During number of users, the OLT directly sends registration failure message to the caller ONU, and the caller ONU receives registration failure and disappears
After breath, state is updated to nullify.
In the above-mentioned technical solutions, Timing Synchronization user information between the caller ONU and the OLT, specific steps are such as
Under：
The caller ONU timings send heartbeat message to the OLT, and the heartbeat message is the registration of the caller ONU
Information after the OLT receives the heartbeat message, searches the information of the caller ONU of local record and the institute that receives
Whether consistent state heartbeat message；
If consistent, the state of the caller ONU recorded on the OLT is updated for the free time；It is described if inconsistent
OLT sends re-register message to the caller ONU, and the caller ONU resets internal registration number, re-initiates user's registration.
In the above-mentioned technical solutions, after the OLT receives the heartbeat message, while heartbeat timer is started, if institute
The OLT receives the heartbeat message that the caller ONU is sent before stating heartbeat timer time-out, then updates the caller
The state of ONU is idle state；If the heartbeat timer time-out, the OLT does not receive the heartbeat message, then by described in
The local record of caller ONU is deleted.
In the above-mentioned technical solutions, the log-on message of the caller ONU includes：Caller ONU local IP, caller ONU are local
Port, caller ONU internal telephone numbers and caller ONU internal registrations number.
In the above-mentioned technical solutions, the SDP parameters of the caller ONU include caller RTP IP, caller RTP Port and RTP
Transceiver mode.
In the above-mentioned technical solutions, the SDP parameters of the called ONU include called RTP IP, called RTP Port, caller
RTP TP, caller RTP Port and RTP transceiver modes.
The present invention, between ONU and OLT by be configured to control message forward OLT locals IP, OLT local Port,
ONU locals IP and ONU locals Port etc., when ONU uses the local IP to communicate with OLT and local Port to establish after the power is turned on
The forwarding of control message is carried out between socket, with OLT, realizes internal voice business, control message between ONU and OLT it is simple and
Interaction is few, greatly simplifies the interaction between ONU and OLT.
Description of the drawings
Fig. 1 is the implementation method that ONU equipment internal voice calls in passive optical network provided in an embodiment of the present invention
Flow chart；
Fig. 2 is the flow chart of ONU registered users information provided in an embodiment of the present invention；
Fig. 3 is the flow chart of ONU logging off users information provided in an embodiment of the present invention；
The flow chart of Fig. 4 synchronous user informations between ONU provided in an embodiment of the present invention and OLT；
Fig. 5 is the specific implementation flow chart of caller ONU sides call setup provided in an embodiment of the present invention；
Fig. 6 is the specific implementation flow chart of called ONU sides call setup provided in an embodiment of the present invention；
Fig. 7 is the flow chart of ONU status changes provided in an embodiment of the present invention；
Fig. 8 is the schematic diagram of ONU status changes provided in an embodiment of the present invention.
Specific embodiment
The present invention is described in detail with reference to specification drawings and specific embodiments.
An embodiment of the present invention provides in a kind of passive optical network ONU equipment internal voice call implementation method,
As shown in Figure 1, it the described method comprises the following steps：
OLT locals IP, OLT local Port, master between step 101, configuration caller ONU and OLT for message to be controlled to forward
It is ONU locals IP and caller ONU local Port.
Step 102, caller ONU after the power is turned on, are built by caller ONU local IP and caller ONU the local Port to communicate with OLT
Vertical socket, is sent to OLT by the log-on message of caller ONU and preserves.
Wherein, the log-on message of caller ONU includes：Caller ONU local IP, caller ONU local Port, inside caller ONU
Telephone number and caller ONU internal registrations number.
Step 103, caller ONU off-hooks, local to play dialing tone, caller ONU dials, and every group of number just starts once
When the timer times out or detecting dialing end key (# keys), the SDP parameters of called number and caller ONU are sent for timer
To OLT.
Wherein, SDP (Session Description Protocol, Session Description Protocol) parameter of caller ONU includes
Caller RTP (Realtime Transport Protocol, real-time transport protocol) IP, caller RTP Port (RTP ports) and
RTP transceiver modes.
After step 104, OLT matched and searcheds to called ONU, the SDP parameters of calling number and caller ONU are sent to called
ONU。
Step 105 judges whether called ONU can continue, if it can, going to step 106, otherwise, turns 107.
Step 106, called ONU playing ringing tones, and the SDP parameters of called number and called ONU are sent to via OLT
Caller ONU, caller ONU playing RBT, goes to step 108.
Wherein, being called the SDP parameters of ONU includes called RTP IP, called RTP Port, caller RTP TP, caller RTP
Port and RTP transceiver modes.
Refuse information is sent to caller ONU by step 107, called ONU via OLT, and caller ONU locally plays busy tone.
After step 108, called ONU off-hooks, stop playing ringing tone, the SDP parameters of called ONU are set, and sent out via OLT
Call setup message is sent to give caller ONU.
Step 109, caller ONU stop playing RBT after receiving message, set the SDP parameters of caller ONU, call setup
It is vertical.
It should be noted that after call setup, if caller ONU and called ONU have side elder generation on-hook, first on-hook one is deleted
The talking path of side, and send connection via OLT and disconnect a side of the message to non-on-hook.One side of non-on-hook receives connection
Busy tone is locally played after disconnecting message, deletes talking path, terminates local call.
As shown in Fig. 2, being the flow chart of ONU registered user's information, describe ONU and power on or update user information (as in
Portion's telephone number when) when to OLT send log-on message realization flow.
Step 201, ONU are powered on, and in addition to the ONU being locally registered, the log-on message of ONU is sent to OLT.
After step 202, OLT receive the log-on message of ONU, search whether local record has the log-on message of this ONU, such as
Fruit has, and goes to step 203；Otherwise, 204 are gone to step.
Step 203, OLT update the log-on message of the ONU.
Step 204, OLT preserve the log-on message of the ONU, and are the internal unique number of registration of ONU distribution.
It should be noted that if the number of the ONU of OLT sides has been over the maximum number of users that can be carried, OLT is straight
It connects to the ONU and sends registration failure message, after ONU receives registration failure message, state is updated to nullify.
After step 205, ONU receive the response message of carrying internal registration number of OLT, the inside note of record OLT distribution
Volume information updates the log-on message of ONU, while the state of ONU is updated to the free time.
As shown in figure 3, the flow chart for ONU logging off users information.
Step 301, in addition to the ONU locally nullified, ONU to OLT send log-off message.
ONU log-off messages include：ONU locals IP, ONU local Port, ONU internal telephone numbers and ONU internal registrations number
Etc. information.
After step 302, OLT receive the log-off message of ONU, corresponding information and the deletion of the ONU of local record are searched,
ONU is responded simultaneously nullifies successful message.
Step 303, ONU receive OLT carrying nullify success message after, update ONU user informations, and by the state of ONU
It is updated to nullify.
As shown in figure 4, between ONU and OLT synchronous user information flow chart.
Step 401, ONU timings send heartbeat message (registration message of reusable ONU) to OLT.
After step 402, OLT receive heartbeat message, the log-on message of the ONU of local record and the heartbeat that receives are searched
Whether message is consistent, if unanimously, going to step 403；Otherwise, 404 are gone to step.
In addition, OLT be also required to timing detection heartbeat message it is whether normal, after receiving heartbeat message every time, start heartbeat
Timer if before heartbeat timer time-out, OLT receives heartbeat message, then updates ONU for idle state；If heartbeat timer
Time-out, OLT do not receive heartbeat message, then delete the local record of this ONU.
The state of the ONU recorded in step 403, update OLT is the free time.
Step 404, OLT send re-register message to ONU.
Step 405, ONU reset internal registration number, re-initiate user's registration.
As shown in Figure 5 and Figure 6, it is the flow chart of ONU call setups, illustrates caller ONU and called ONU sides separately below
Implement flow：
Fig. 5 is the specific implementation flow of caller ONU sides call setup：
Step 501, caller ONU off-hooks, it is local to play dialing tone.
Step 502, caller ONU dialing, every group of number just start a timer, when the timer times out or detect
During dialing end key (# keys), the SDP parameters of called number and caller ONU are sent to OLT.
Wherein, the SDP parameters of caller ONU include caller RTP (Realtime Transport Protocol, real-time Transmission
Agreement) IP and caller RTP Port (RTP ports).
Step 503, OLT number of matches, judge OLT whether successful match, if successful match, go to step 504；Otherwise, turn
Step 505.
The SDP parameters of calling number and caller ONU are sent to called ONU by step 504, OLT, when called ONU responses can
During continuing, the SDP parameters of called number and called ONU are sent to caller ONU by called ONU via OLT, and caller ONU is local
Playing RBT；When called ONU responses cannot continue, refuse information is sent to caller ONU by called ONU via OLT, main
ONU is made locally to play busy tone.
Step 505, OLT directly transmit refuse information and caller ONU, caller ONU are given locally to play busy tone.
Fig. 6 is the specific implementation flow of called ONU sides call setup：
After step 601, called ONU receive the calling number of OLT transmissions and the SDP parameters of caller ONU, according to user's shape
State, whether response OLT can continue, and when that can continue, be called ONU record calling numbers and the SDP parameters of caller ONU, and
The SDP parameters of called number and called ONU are sent to OLT, start simultaneously at playing ringing tone；When that cannot continue, it is called
ONU sends refuse information to OLT.
If step 602, called ONU off-hooks, it is called ONU and stops playing ringing tone, more new state is call setup, and
Sending call setup message by OLT gives caller ONU, caller ONU to stop playing RBT after receiving message, and more new state is
Call setup establishes call.
Wherein, being called the SDP parameters of ONU includes：Called RTP IP, called RTP Port, caller RTP IP, caller RTP
Port and transceiver mode etc..The SDP parameters of caller ONU include：Caller RTP IP, caller RTP Port and transceiver mode
Deng.
It is below the specific implementation process of ONU calling releases, is divided into following three kinds of situations：
First, the non-off-hooks of ONU are called：
Each waiting timer is overtime by caller ONU and called ONU both sides, wherein, caller ONU waits ring-back timer to surpass
When, it is called ONU and waits ring timer expiry, after ring-back timer expiry, caller ONU locally plays busy tone, starts busy tone and determines
When device, and by OLT send connection disconnect message to called ONU, called ONU receive connection disconnect message after stop play shake
Ringing tone, and more new state disconnects for connection.After busy tone timer expiry, caller ONU Bo Fang Hao ring sounds, Qi Dong Hao ring sound timings
Talking path is deleted after Qi , Hao ring sound timer expiries；After ring timer expiry, called ONU enters idle state.
2nd, caller ONU on-hooks (on the premise of the non-off-hooks of called ONU)：
Talking path is deleted in caller ONU on-hooks, and more new state is the free time, while is sent connection by OLT and disconnected message
To called ONU, called ONU, which is received after connection disconnects message, stops playing ringing tone, and more new state is the free time.
3rd, after call is established, there is side elder generation on-hook：
The talking path of one side of first on-hook is deleted, the state of one side of first on-hook is updated for the free time, and is sent and connected by OLT
Message is disconnected to non-one side of on-hook, non-one side of on-hook receives after connection disconnects message and locally plays busy tone, and starts busy tone and determine
When device, if one side of non-on-hook on-hook before busy tone timer expiry, directly delete RTP call connections, update non-one side of on-hook
State is the free time；If non-one side of the on-hook on-hook not yet after busy tone timer expiry, stop playing busy tone, Kai beginnings Bo Fang Hao rings
Sound, non-one side of on-hook on-hook not yet after Qi Dong Hao ring sound timer , Hao ring sound timer expiries, then delete talking path.
As shown in Figure 7, Figure 8, Fig. 7 is the flow chart of ONU status changes, and Fig. 8 is the schematic diagram of ONU status changes.
The state of ONU has：Cancellation, idle, broadcasting dialing tone, dialing, playing RBT, ring, Waiting for Call are established, exhaled
Foundation and connection is made to disconnect nine kinds of states, idle state is updated to after ONU succeeds in registration, when ONU goes enabled or deletes internal
Telephone number or to OLT send log-on message it is unsuccessful when be exit state.
With reference to two under the call setup flow of ONU, calling release flow and the same OLT of status change process description
The normal implementation process of call how is established and discharged between ONU：
After step 701, caller ONU off-hooks, enter from idle state and play dialing tone state.
After step 702, caller ONU dialing, enter dialing status from dialing tone state is played.
After the completion of step 703, caller ONU dialing state is established into Waiting for Call.
Specifically, caller ONU has been dialed # numbers is dialed after number or waits dialing timer expiry after, caller ONU can will be called
Number and calling number and the SDP parameters of caller ONU are sent to OLT, and state is established into Waiting for Call.
After step 704, OLT receive the number of caller ONU transmissions, inquire about, find called in the directory of local record
After ONU, the SDP parameters of calling number and caller ONU are sent to called ONU, are called ONU from idle state into line ringing shape
State, while the SDP parameters of called number and called ONU are sent to caller ONU via OLT.
Step 705, caller ONU enter playing RBT state after receiving the SDP parameters of called number and called ONU.
After step 706, called ONU off-hooks, enter call setup state from ringing condition, while send and call via OLT
It establishes message and gives caller ONU.
After step 707, caller ONU receive message, enter call setup state from playing RBT state.
So far, a normal call between caller ONU and called ONU establishes, and both sides ONU enters call setup
State.
Side elder generation on-hook in step 708, caller ONU or called ONU, first one side of on-hook send connection via OLT and disconnect
Message gives non-one side of on-hook.
After step 709, one side of non-on-hook receive connection disconnection message, enter connection from call setup state and disconnect shape
State, it is local to play busy tone, and start busy tone timer, and the Kai beginnings Bo Fang Hao rings sound after busy tone timer expiry, Qi Dong Hao ring sounds
Talking path is deleted after timer , Hao ring sound timer expiries, into idle state.
So far, a normal end of conversation between caller ONU and called ONU, both sides ONU are in idle state.
The present invention is not limited to above-mentioned preferred forms, and anyone should learn that the knots made under the enlightenment of the present invention
Structure changes, and the technical schemes that are same or similar to the present invention are each fallen within protection scope of the present invention.
Claims (8)
1. the implementation method that ONU equipment internal voice calls in passive optical network, which is characterized in that comprise the following steps：
Between configuration caller ONU and OLT for control OLT locals IP, OLT local Port, caller ONU local IP that message forwards with
And caller ONU local Port；
Caller ONU establishes socket after the power is turned on, by caller ONU local IP and caller ONU the local Port to communicate with OLT, will
The log-on message of caller ONU is sent to OLT, and caller ONU, which enters, after off hook signal is detected plays dialing tone state；
After detecting dialing signal, caller ONU enters dialing status, often detects that a dialed number starts a timer,
When detecting timer expiry signal or end of dialing signal, the SDP parameters of called number and caller ONU are sent to OLT；
The SDP parameters of calling number and caller ONU are sent to called ONU by OLT matched and searcheds to after being called ONU；
If called ONU can continue, ONU playing ringing tones are called, and the SDP parameters of called number and called ONU are sent to
Caller ONU, caller ONU playing RBT after being called ONU off-hooks, stop playing ringing tone, set the SDP parameters of called ONU,
And send call setup message and caller ONU, caller ONU is given to stop playing RBT after receiving message, set caller ONU's
SDP parameters, call setup；If called ONU cannot continue, called ONU sends refuse information and caller ONU, caller ONU is given to play
Busy tone；
The log-on message of the caller ONU is sent to the OLT to be as follows：
The caller ONU after the power is turned on, the log-on message of the caller ONU is sent to the OLT；
After the OLT receives the log-on message of the caller ONU, search whether local record has the registration of the caller ONU
Information, if so, the OLT updates the log-on message of the caller ONU；Otherwise, the OLT preserves the note of the caller ONU
Volume information, and distribute internal registration number for the caller ONU；
After the caller ONU receives the response message for the internal registration number that the OLT is carried, the OLT distribution is recorded
The internal registration information, update the log-on message, while state be updated to the free time.
2. the method as described in claim 1, which is characterized in that after call setup, if the caller ONU and called ONU
There is side elder generation on-hook, then delete the talking path of first one side of on-hook, and send connection via the OLT and disconnect message to not hanging
One side of machine, non-one side of on-hook receive after the connection disconnects message and locally play busy tone, delete talking path, terminate this
It converses on ground.
3. the method as described in claim 1, which is characterized in that when the number of the caller ONU of the OLT sides alreadys exceed
It is maximum can carry number of users when, the OLT directly sends registration failure message to the caller ONU, and the caller ONU connects
After receiving registration failure message, state is updated to nullify.
4. the method as described in claim 1, which is characterized in that the caller ONU timings send heartbeat message to the OLT,
The heartbeat message is the log-on message of the caller ONU, after the OLT receives the heartbeat message, searches local record
The caller ONU information and the heartbeat message that receives it is whether consistent；
If consistent, the state of the caller ONU recorded on the OLT is updated for the free time；If inconsistent, the OLT to
The caller ONU sends re-register message, and the caller ONU resets internal registration number, re-initiates user's registration.
5. method as claimed in claim 4, which is characterized in that after the OLT receives the heartbeat message, while start the heart
Timer is jumped, if the OLT receives the heartbeat message that the caller ONU is sent before the heartbeat timer time-out,
The state for updating the caller ONU is idle state；If the heartbeat timer time-out, the OLT do not receive the heartbeat
Message then deletes the local record of the caller ONU.
6. the method as described in claim 1, which is characterized in that the log-on message of the caller ONU includes：Caller ONU is local
IP, caller ONU local Port, caller ONU internal telephone numbers and caller ONU internal registrations number.
7. the method as described in claim 1, which is characterized in that the SDP parameters of the caller ONU include caller RTP IP, master
It is RTP Port and RTP transceiver modes.
8. the method as described in claim 1, which is characterized in that the SDP parameters of the called ONU include called RTP IP, quilt
It is RTP Port, caller RTP TP, caller RTP Port and RTP transceiver modes.
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| CN105743892B (en) * | 2016-01-29 | 2019-04-16 | 烽火通信科技股份有限公司 | A kind of lightweight Media Gateway phonetic function implementation method |
| CN109275051B (en) * | 2018-08-16 | 2021-10-01 | 烽火通信科技股份有限公司 | ONU voice function detection method and system |
| CN111818405B (en) * | 2020-07-07 | 2022-07-01 | 烽火通信科技股份有限公司 | Method and device for realizing voice intercommunication in PON system |
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