[Freeswitch-users] Question: Capturing VoiceData received from Sagnoma E1 card

[Helmut Kuper]

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Hello,

any ideas?

regards
Helmut


On 21.07.2009 16:01, Helmut Kuper wrote:
> Hello,
> 
> 
> For outgoing calls I'm hunting the cause for missing some 100ms of voice
> data send from remote right after pickup the remote phone (e.g. initial
> "Hello?" sound like "o?" or even nothing)
> 
> On FreeSwitch server I captured the VoIP data to the called VoIP-Phone
> on the sofia interface. Using wireshark it also shows that the voice
> data from remote is missed. Using Mobil phones or ISDN phones calling
> the same remote party there is never a bit missed.
> 
> This problem occurs rare - once or twice per day and per local voip
> phone, but it's quite anoying.
> 
> So is there a way to capture the correspondig ISDN voice data FS
> receives before it is transmitted via RTP or just droped? I want to c
> whether FS drops the early RTP packets or whether FS never got the data
> from ISDN.
> 
> 
> 
> Sofia Profile is using
> <param name="inbound-late-negotiation" value="true"/>
> 
> The dialplan portion is:
>         <extension name="outgoing-pstn">
>                 <condition field="destination_number"
> expression="^94([0-9]+)$" break="never">
>                         <action application="privacy" data="full"/>
>                         <action application="set"
> data="effective_caller_id_name=anonymous"/>
>                         <action application="set"
> data="effective_caller_id_number=anonymous"/>
>                 </condition>
>                 <condition field="destination_number"
> expression="^([0-9]+)$">
>                         <action application="set"
> data="ignore_early_media=true"/>
>                         <action application="set"
> data="absolute_codec_string=PCMA"/>
>                         <action application="set"
> data="continue_on_fail=true"/>
>                         <action application="bridge" data="openzap/1/a/$1"/>
>                         <action application="transfer"
> data="${destination_number} XML et_internal_error"/>
>                 </condition>
> 
> Any ideas to refine my debugging?
> 
> regard
> helmut

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