[Kamailio-Users] BYE message not relayed to caller

[Daniel-Constantin Mierla]

Hello,

can you post the entire call flow, from initial invite to to the bye. 
There is some mistake done somewhere in the routing elements. The sip 
trace will help to identify where.

Cheers,
Daniel

On 02/18/2010 12:48 AM, Vikram Ragukumar wrote:
> Hello,
>
> I also want to add that, this behavior is not seen while using Asterisk
> instead of VOIPSwitch. While using Asterisk, the BYE message has a request
> URI corresponding to the cellphone, so the proxy forwards the BYE message
> to the cellphone which causes the cellphone to hang up.
>
> Thanks in advance for your help,
> Vikram.
>
>
>    
>> Hello,
>>
>> My setup includes a cellphone that uses Wi-Fi to hookup to the internet
>> with IP 192.168.1.101. Cellphone app, tries to register with VOIPSwitch
>> through an outbound proxy server(Kamailio + rtpproxy), which rewrites SDP
>> to force rtp through an rtpproxy.
>>
>> I can make a call from the cellphone to a PSTN number. When the PSTN
>> endpoint hangs up, VOIPSwitch relays a BYE message to the proxy that looks
>> like :
>>
>> No.     Time        Source                Destination           Protocol
>> Info
>>       27 18.383929   IPaddr_VoipSwitch     IPaddr_proxy           SIP
>> Request: BYE sip:1234 at IPaddr_VoipSwitch
>>
>> Frame 27 (420 bytes on wire, 420 bytes captured)
>> Ethernet II, Src: Unispher_40:b5:39 (00:90:1a:40:b5:39), Dst:
>> Supermic_bd:b9:bc (00:30:48:bd:b9:bc)
>> Internet Protocol, Src: IPaddr_VoipSwitch , Dst: IPaddr_proxy
>> User Datagram Protocol, Src Port: sip (5060), Dst Port: 7160 (7160)
>> Session Initiation Protocol
>>      Request-Line: BYE sip:1234 at IPaddr_VoipSwitch SIP/2.0
>>          Method: BYE
>>          [Resent Packet: False]
>>      Message Header
>>          Route:<sip:IPaddr_proxy:7160;lr=on;nat=yes>
>>          CSeq: 1 BYE
>>          Via: SIP/2.0/UDP IPaddr_VoipSwitch:5060;
>> branch=z9hG4bk180242100434182912333954
>>          From: sip:5678 at IPaddr_VoipSwitch;tag=18024210041929123187506289
>>          Call-ID: LUOyIDm-ecy36NcUfj5G3v1lM6g5snkM
>>          To: "1234"
>> <sip:1234 at IPaddr_VoipSwitch>;tag=9XHJmiuf58vTrF7.vwflEK-G63JVPQSi
>>          Content-Length: 0
>>
>> The request URI in the above message is the IP address of VOIPSwitch
>> itself, which causes the proxy to forward the BYE message back to
>> VOIPSwitch. The cellphone never receives the BYE message and consequently
>> never hangs up.
>>
>> Any suggestions on how i can get around this problem ?
>>
>> Thanks and Regards,
>> Vikram.
>>
>>
>>
>>
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>>
>>      
>
>    

-- 
Daniel-Constantin Mierla
SIP Server Professional Solutions
* http://www.asipto.com/