[cisco-voip] FXS Port one way audio - no dtmf

[Aaron Blair]

Also, code version on the router is 15.2(4)M2

Aaron Blair
Network Engineer
Bridge Point Communications

Direct: +61 7 3231 5458<tel:+61732315458>
Office: +61 7 3231 5444<+61732315444>
Support: +61 7 3231 5422<tel:+61732315422>
Fax: +61 7 3231 5411
IM: aaron_blair at bridgepoint.com.au<xmpp:aaron_blair at bridgepoint.com.au>





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From: cisco-voip [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Aaron Blair
Sent: Friday, 12 July 2013 8:41 AM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] FXS Port one way audio - no dtmf

Hi all,

I'm having some issues with a basic FXS port setup.. We've tried two phones/brands (Uniden + NEC (wasn't really expecting NEC to work)) but still seeing the same thing.

voice-port 0/1/0
disconnect-ack
disc_pi_off
cptone AU
timeouts initial 12
timeouts interdigit 8
timeouts call-disconnect 40
description Uniden Test
station-id name Test Name
station-id number 1234567
caller-id enable

Voice port config as above. Router is 2921 with 1x VWIC3-1MFT-T1/E1, 2x VIC3-2FXS/DID, 1x PVDM3-64, 1x ISM-SRE-300-K9.

It's a CME setup, with voip phones all registered and talking just fine.

What we're seeing is the phone on the FXS port is receiving dialtone, but any attempts to dial digits do not break the dial-tone, and the router does not see any digits being dialled.

When calling the FXS port from a VOIP phone, the FXS port rings, and when picked up there is one way audio from the voip phone to the FXS port, no audio from the FXS port to the voip phone. The voip phone appears to be receiving RTP just fine from the gateway.

Phone we're currently testing is a Uniden DECT2035, but have tried NEC phones as well.

Another possibly unrelated issue is that we're seeing one way audio on the E1. Outbound voice is working fine (VOIP to isdn), but inbound is not (ISDN to voip). Also, when dialing out from voip phone, there is no ringing on the voip phone, it just connects when picked up.

Any help would be much appreciated.

Cheers,
Aaron Blair
Network Engineer
Bridge Point Communications

Direct: +61 7 3231 5458<tel:+61732315458>
Office: +61 7 3231 5444<+61732315444>
Support: +61 7 3231 5422<tel:+61732315422>
Fax: +61 7 3231 5411
IM: aaron_blair at bridgepoint.com.au<xmpp:aaron_blair at bridgepoint.com.au>





Your Information and Data Security Specialists

ISO27001 Certified & PCI Qualified Security Assessor (QSA)

[Description: Description: Description: Description: Description: Description: Description: Description: Description: cid:image002.png at 01CC4D2C.C01911F0]
This email and any attachments are subject to copyright. They may also contain confidential information. This email and any attachments may not be distributed, reproduced, copied, stored or transmitted in any form or by any means, without the prior written consent of Bridge Point Communications Pty Ltd ABN 29 083 424 668. Any personal information in this email must be handled in accordance with the Privacy Act 1988 (Cth). Emails may be interfered with, may contain computer viruses or other defects and may not be successfully replicated on other systems. Bridge Point Communications Pty Ltd gives no warranties in relation to these matters. If you have any doubts about the authenticity of an email purportedly sent by us, please contact Bridge Point Communications Pty Ltd immediately.

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