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1716
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5
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SIP - Call forward to external, No audio

tijuanach
Level 1
Level 1

We just recently moved to SIP (last week). Today, I noticed a problem with call forwarding. For example, I called three staff members' office phones (internal) on my cell phone (external). All 3 staff members have calls forwarded to their cell phones (external). The calls are connecting, but there is no audio. I can't hear them and they can't hear me. 

 

1 Accepted Solution

Accepted Solutions

Kaloyan
Cisco Employee
Cisco Employee
5 Replies 5

Hi

 If the calls got connected then SIP did his job. No audio might RTP problem. 

Hi,

What does mean- "moved to SIP" ?  Do you change conection to ITSP ?

Do you know what is infrustruction you use ?

BR Oleksandr

PRI to SIP conversion. 

Kaloyan
Cisco Employee
Cisco Employee

Thanks @Kaloyan! Your recommendation (media anti-trombone) resolved the issue for us.