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No voice in transfered ca...

No voice in transfered call

Created: Mar 12, 2019 11:10:14Latest reply: Mar 12, 2019 11:35:34 530 5 0 0 0
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Dear Team,


We have two espace u1911 IP telephony systems and we face the issue in both. When we need to transfer the call to third party it is ringing and they are able to answer the call and the call establishing successful but both the party cannot hear each other. Is there any especial setting should I make this work.


Thank you.


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Mihnea
Created Mar 12, 2019 11:18:43

Hello,

Thank you for posting on our Huawei Forum.

In order to further troubleshoot the reported issue we would require the following information:

- Networking scenario of the IPT solution (one central nodes,distributed, convergent etc.)
- IP address assignation and network topology
- Parties involved ( calling party, called party and third party type phone)
- Is this an internal call or external call (call flow)
- If the call is being transfered to PSTN side what type of trunk is configured on the U1900?
- Trace on the U1900 using LMT to have the whole SIP signaling part of the call while the issue is being reproduced

We are looking forward to the requested information.

Thanks,

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2#
user_116035
user_116035 Created Mar 12, 2019 11:11:39

check the network whether it is ok.Ip Phone can access each other.
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3#
Nasr
Nasr HCIE Created Mar 12, 2019 11:16:50

The third party is analog phone ?
please check the codec
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4#
peter64
peter64 Created Mar 12, 2019 11:18:10

Kindly check codec used both sides, and check if there is BW available while making the calls
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5#
Mihnea
Mihnea Created Mar 12, 2019 11:18:43

Hello,

Thank you for posting on our Huawei Forum.

In order to further troubleshoot the reported issue we would require the following information:

- Networking scenario of the IPT solution (one central nodes,distributed, convergent etc.)
- IP address assignation and network topology
- Parties involved ( calling party, called party and third party type phone)
- Is this an internal call or external call (call flow)
- If the call is being transfered to PSTN side what type of trunk is configured on the U1900?
- Trace on the U1900 using LMT to have the whole SIP signaling part of the call while the issue is being reproduced

We are looking forward to the requested information.

Thanks,

View more
  • x
  • convention：
(0) (0)
6#
KarimUC
KarimUC Created Mar 12, 2019 11:35:34

please capture the wireshark to check the codec and confirm what is the third party phone
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  • convention：
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