[Freeswitch-users] RFC3578

Wed Mar 17 07:41:05 PDT 2010

Does the Huawei even claim to support rfc3578? If so you have proof  
that they are not following the spec. Contact them to find out what's  
going on. I'd love to see what happens if you ask them for a refund...
-MC

Sent from my iPhone

On Mar 17, 2010, at 1:32 AM, Timur Irmatov <irmatov at gmail.com> wrote:

> On Fri, Mar 12, 2010 at 5:56 PM, Brian West <brian at freeswitch.org>  
> wrote:
>> It already works use the respond application in the dialplan to  
>> respond 484
>
> Thanks for the hint, Brian. I have a SoftX3000 softswitch sending
> calls to FreeSWITCH. SoftX3000 is configured to send anything between
> 5 and 20 digits. I want FreeSWITCH to respond 484 until it receives
> enough digits to make a call.
>
> Here is an excerpt from my dialplan:
>
> <extension name="public_extensions">
>  <condition field="destination_number" expression="^006[0-9]{0,13}$">
>    <action application="respond" data="484"/>
>  </condition>
> </extension>
>
> In the first INVITE, softswitch sends 5 digits: 00610. FreeSWITCH
> answers 484 just as I want it to. Softswitch sends another INVITE,
> this time with 6 digits: 006107, but *without* SDP. Missing SDP upsets
> FreeSWITCH and it responds 480, call finishes. Here is log from
> FreeSWITCH:
>
> 2010-03-17 09:45:07.329047 [NOTICE] switch_channel.c:669 New Channel
> sofia/external/1220139 at 10.0.2.5 [dc6f5d24-317f-11df-9775-c1f542b963a5]
> 2010-03-17 09:45:07.331047 [INFO] mod_dialplan_xml.c:418 Processing
> 1220139->00610 in context public
> 2010-03-17 09:45:07.331047 [NOTICE] switch_core_state_machine.c:185
> sofia/external/1220139 at 10.0.2.5 has executed the last dialplan
> instruction, hanging up.
> 2010-03-17 09:45:07.331047 [NOTICE] switch_core_state_machine.c:187
> Hangup sofia/external/1220139 at 10.0.2.5 [CS_EXECUTE] [NORMAL_CLEARING]
> 2010-03-17 09:45:07.332066 [NOTICE] switch_core_session.c:1179 Session
> 3 (sofia/external/1220139 at 10.0.2.5) Ended
> 2010-03-17 09:45:07.332066 [NOTICE] switch_core_session.c:1181 Close
> Channel sofia/external/1220139 at 10.0.2.5 [CS_DESTROY]
> 2010-03-17 09:45:08.448839 [NOTICE] switch_channel.c:669 New Channel
> sofia/external/1220139 at 10.0.2.5 [dd1a3776-317f-11df-9776-c1f542b963a5]
> 2010-03-17 09:45:08.448839 [INFO] sofia.c:4388 No SDP in INVITE and
> 3pcc not enabled, hanging up.
> 2010-03-17 09:45:08.449840 [NOTICE] sofia.c:4390 Hangup
> sofia/external/1220139 at 10.0.2.5 [CS_NEW] [MANDATORY_IE_MISSING]
> 2010-03-17 09:45:08.450840 [NOTICE] switch_core_session.c:1179 Session
> 4 (sofia/external/1220139 at 10.0.2.5) Ended
> 2010-03-17 09:45:08.450840 [NOTICE] switch_core_session.c:1181 Close
> Channel sofia/external/1220139 at 10.0.2.5 [CS_DESTROY]
>
>
> And here are SIP messages, capture made with ngrep:
>
> U 10.0.2.5:5070 -> 172.16.12.11:5090
> INVITE sip:00610 at 172.16.12.11:5090;user=phone SIP/2.0.
> Via: SIP/2.0/UDP 10.0.2.5:5070;branch=z9hG4bK356eaa89a.
> Call-ID: a46545ffe2c776583bb02de315e8761a at 10.0.2.5.
> From: <sip:1220139 at 10.0.2.5;user=phone>;tag=c5514b7f.
> To: <sip:00610 at 172.16.12.11;user=phone>.
> CSeq: 1 INVITE.
> Contact: <sip:1220139 at 10.0.2.5:5070;user=phone>.
> Supported: 100rel.
> P-Asserted-Identity: <sip:1220139 at 10.0.2.5;user=phone>.
> User-Agent: Huawei SoftX3000 V300R006B06D060SP32.
> Max-Forwards: 70.
> Allow:  
> INVITE, 
> ACK, 
> CANCEL, 
> OPTIONS,BYE,REGISTER,PRACK,INFO,UPDATE,SUBSCRIBE,NOTIFY,MESSAGE,REFER.
> Content-Length: 263.
> Content-Type: application/sdp.
> .
> v=0.
> o=HuaweiSoftX3000 98044 98044 IN IP4 10.0.2.5.
> s=Sip Call.
> c=IN IP4 172.16.12.1.
> t=0 0.
> m=audio 50000 RTP/AVP 8 0 18 4 2.
> a=rtpmap:8 PCMA/8000.
> a=rtpmap:0 PCMU/8000.
> a=rtpmap:18 G729/8000.
> a=rtpmap:4 G723/8000.
> a=rtpmap:2 G726-32/8000.
> a=fmtp:18 annexb=yes.
>
> #
> U 172.16.12.11:5090 -> 10.0.2.5:5070
> SIP/2.0 100 Trying.
> Via: SIP/2.0/UDP 10.0.2.5:5070;branch=z9hG4bK356eaa89a.
> From: <sip:1220139 at 10.0.2.5;user=phone>;tag=c5514b7f.
> To: <sip:00610 at 172.16.12.11;user=phone>.
> Call-ID: a46545ffe2c776583bb02de315e8761a at 10.0.2.5.
> CSeq: 1 INVITE.
> User-Agent: FreeSWITCH-mod_sofia/1.0.trunk-hacked.
> Content-Length: 0.
> .
>
> #
> U 172.16.12.11:5090 -> 10.0.2.5:5070
> SIP/2.0 484 Address Incomplete.
> Via: SIP/2.0/UDP 10.0.2.5:5070;branch=z9hG4bK356eaa89a.
> From: <sip:1220139 at 10.0.2.5;user=phone>;tag=c5514b7f.
> To: <sip:00610 at 172.16.12.11;user=phone>;tag=4gHUF5NN21SXS.
> Call-ID: a46545ffe2c776583bb02de315e8761a at 10.0.2.5.
> CSeq: 1 INVITE.
> Contact: <sip:00610 at 172.16.12.11:5090;transport=udp>.
> User-Agent: FreeSWITCH-mod_sofia/1.0.trunk-hacked.
> Accept: application/sdp.
> Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
> REGISTER, REFER, NOTIFY.
> Supported: timer, precondition, path, replaces.
> Allow-Events: talk, refer.
> Content-Length: 0.
> .
>
> #
> U 10.0.2.5:5070 -> 172.16.12.11:5090
> ACK sip:00610 at 172.16.12.11:5090;user=phone SIP/2.0.
> Via: SIP/2.0/UDP 10.0.2.5:5070;branch=z9hG4bK356eaa89a.
> Call-ID: a46545ffe2c776583bb02de315e8761a at 10.0.2.5.
> From: <sip:1220139 at 10.0.2.5;user=phone>;tag=c5514b7f.
> To: <sip:00610 at 172.16.12.11;user=phone>;tag=4gHUF5NN21SXS.
> CSeq: 1 ACK.
> Max-Forwards: 70.
> Content-Length: 0.
> .
>
> #
> U 10.0.2.5:5070 -> 172.16.12.11:5090
> INVITE sip:006107 at 172.16.12.11:5090;user=phone SIP/2.0.
> Via: SIP/2.0/UDP 10.0.2.5:5070;branch=z9hG4bKd3fe1aa88.
> Call-ID: 07f13e02d6d0be530d5da938452260a0 at 10.0.2.5.
> From: <sip:1220139 at 10.0.2.5;user=phone>;tag=df50ba93.
> To: <sip:006107 at 172.16.12.11;user=phone>.
> CSeq: 1 INVITE.
> Contact: <sip:1220139 at 10.0.2.5:5070;user=phone>.
> P-Asserted-Identity: <sip:1220139 at 10.0.2.5;user=phone>.
> User-Agent: Huawei SoftX3000 V300R006B06D060SP32.
> Max-Forwards: 70.
> Allow:  
> INVITE, 
> ACK, 
> CANCEL, 
> OPTIONS,BYE,REGISTER,PRACK,INFO,UPDATE,SUBSCRIBE,NOTIFY,MESSAGE,REFER.
> Content-Length: 0.
> .
>
> #
> U 172.16.12.11:5090 -> 10.0.2.5:5070
> SIP/2.0 100 Trying.
> Via: SIP/2.0/UDP 10.0.2.5:5070;branch=z9hG4bKd3fe1aa88.
> From: <sip:1220139 at 10.0.2.5;user=phone>;tag=df50ba93.
> To: <sip:006107 at 172.16.12.11;user=phone>.
> Call-ID: 07f13e02d6d0be530d5da938452260a0 at 10.0.2.5.
> CSeq: 1 INVITE.
> User-Agent: FreeSWITCH-mod_sofia/1.0.trunk-hacked.
> Content-Length: 0.
> .
>
> #
> U 172.16.12.11:5090 -> 10.0.2.5:5070
> SIP/2.0 480 Temporarily Unavailable.
> Via: SIP/2.0/UDP 10.0.2.5:5070;branch=z9hG4bKd3fe1aa88.
> From: <sip:1220139 at 10.0.2.5;user=phone>;tag=df50ba93.
> To: <sip:006107 at 172.16.12.11;user=phone>;tag=5SamH06rZaggN.
> Call-ID: 07f13e02d6d0be530d5da938452260a0 at 10.0.2.5.
> CSeq: 1 INVITE.
> User-Agent: FreeSWITCH-mod_sofia/1.0.trunk-hacked.
> Accept: application/sdp.
> Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
> REGISTER, REFER, NOTIFY.
> Supported: timer, precondition, path, replaces.
> Allow-Events: talk, refer.
> Reason: Q.850;cause=96;text="MANDATORY_IE_MISSING".
> Content-Length: 0.
> P-Asserted-Identity: "006107" <sip:006107 at 172.16.12.11>.
> .
>
> #
> U 10.0.2.5:5070 -> 172.16.12.11:5090
> ACK sip:006107 at 172.16.12.11:5090;user=phone SIP/2.0.
> Via: SIP/2.0/UDP 10.0.2.5:5070;branch=z9hG4bKd3fe1aa88.
> Call-ID: 07f13e02d6d0be530d5da938452260a0 at 10.0.2.5.
> From: <sip:1220139 at 10.0.2.5;user=phone>;tag=df50ba93.
> To: <sip:006107 at 172.16.12.11;user=phone>;tag=5SamH06rZaggN.
> CSeq: 1 ACK.
> Max-Forwards: 70.
> Content-Length: 0.
>
> RFC3578 says:
>
> "The new INVITE has the same Call-ID and the same From header field
> including the tag as the first INVITE sent, but has an updated
> Request-URI."
>
> SoftX3000 sends second INVITE with different Call-ID. Is there
> anything I can do on FreeSWITCH to solve this problem and continue
> receiving additional digits?
>
>
> -- 
> Timur Irmatov, xmpp:irmatov at jabber.ru
>
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