I had a similar problem where I needed to filter inbound INVITEs based on the codec while keeping the call in bypass media mode. Here is what I did: In SIP profile: <param name="inbound-codec-prefs" value="PCMU"/> <param name="outbound-codec-prefs" value="PCMU"/> <param name="inbound-late-negotiation" value="false"/> - this is default behavior anyway <action application="set" data="bypass_media=false"/> In the dialplan: <action application="set" data="bypass_media=true"/> I understand that what you want is a bit different. I believe that in addition to the above, you can explicitly indicate PCMU in the outbound INVITE. On 13-07-11 02:12 PM, Phil Quesinberry wrote:
Limiting available codecs in bypass media mode
I'm wondering what the best way is to limit the available codecs when making outboundbypass-media calls to the PSTN. The scenario is as follows:
Extension phones have HD codecsincluding G722enabled for the best audio quality between extensionsfor internal calls. When an outbound call is madeto the PSTN, the first-choice wholesale provider we useoffers (and seems to prefer) G722. We'd rather ensure that G711 is used instead. Despite the fact that G722 is notenabled for any of the codec prefs (I grep'edthe entire conf dir pathto be sure), FS still passes along the offer of G722 from the endpoint, presumably sinceit's operating in bypass-media mode.
Is there asetting to limit the codecs despitehavingbypass mediaset? Could wework around this bygetting rid ofthe globalbypass mediasettingand then settingbypass-mediabefore bridging the call?
Thanks,
///Phil Quesinberry/
Q Systems Engineering, Inc.
Embedded Hardware/Software Development and VoIP Business Telephone Hosting
///Improve your business telephone services and save money/
(410) 969-8002
___http://www.qsystemsengineering.com_<http://www.qsystemsengineering.com/>
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