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Community Live- Understanding How Multicast Works with Cisco
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Beginner

Wireless IP Phone audio issue

Hello,

We have Cisco 9971, 7920 and 7925 wireless phone in our network.  The phones registered with Callmanager. I can call any wired cisco phones in the network.  Everything works fine.  However, when I call from one wireless phone to another wireless phone, the phone would ring but there is no audio when the call was answered.  The wireless phones are in the same vlan. Anyone experienecd the same issue?

Rgds

Mark

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Beginner

Wireless IP Phone audio issue

Mark,

In the advanced tab of the WLAN config, have you got peer to peer traffic set to drop?

Once the call is established, the phones go peer to peer, so sounds like it could be getting blocked by that..?

Nigel.

View solution in original post

3 REPLIES 3
Highlighted
Beginner

Wireless IP Phone audio issue

Mark,

In the advanced tab of the WLAN config, have you got peer to peer traffic set to drop?

Once the call is established, the phones go peer to peer, so sounds like it could be getting blocked by that..?

Nigel.

View solution in original post

Beginner

Wireless IP Phone audio issue

Hello Nigel,

P2P was set to Forward Upstream.  Changed the setting to Disable.  it resolved the issue.  5 stars here.

Thank you.

Mark

Cisco Employee

Re: Wireless IP Phone audio issue

FYI, PSPF / P2P blocking action is covered in the 7925G Deployment Guide.

http://www.cisco.com/en/US/docs/voice_ip_comm/cuipph/7925g/7_0/english/deployment/guide/7925dply.pdf

Sent from Cisco Technical Support iPhone App

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