[cisco-voip] One Way Audio Issue with Phones Using ASA5520

[Joe Pollere (US)]

One way audio is indicative of a routing issue with the ASA MTA.

 

See this for details:

 

http://supportwiki.cisco.com/ViewWiki/index.php/ASA_Phone_Proxy_Troubles
hooting_and_Common_Problems#One_way.2C_or_no-way_voice_audio_when_call_e
stablished

 

Joe

 

From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Miller, Steve
Sent: Thursday, August 27, 2009 9:37 AM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] One Way Audio Issue with Phones Using ASA5520

 

We have a remote phone which is connected and everything is working,
except that we have a one way audio issue where the ASA remote phone can
hear us, but we can't hear him.  What path does the Call Manager use
route the incoming voice transmission?  Any suggestions would be
helpful.

 

Steve Miller
Telecom Engineer
Dickstein Shapiro LLP
1825 Eye Street NW | Washington, DC 20006
Tel (202) 420-3370| Fax (202) 330-5607
MillerS at dicksteinshapiro.com 

 

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