[Freeswitch-users] Require Timer on re-invite from FS to A-LEG

Mike Burlingame mike.burlingame at me.com
Sat Sep 15 04:40:14 MSD 2012 

However and oddly enough Level(3)'s Sonus platform deals with this just fine


On Sep 14, 2012, at 5:37 PM, Mike Burlingame <mike.burlingame at me.com> wrote:

> I agree if it's in the supported line why can it not be required and I am fighting with PaeTec and Global Crossing right now on this issue - They want me to just "Disable" it but I do not feel that is the proper thing to do however to resolve the 420's I might have to give in till I can get them to accept it and not fail on it
> 
> Both carriers use Acme Packet as the SBC and I have a feeling this is where the hangup is coming in at 
> 
> 
> On Sep 14, 2012, at 5:29 PM, Anthony Minessale <anthony.minessale at gmail.com> wrote:
> 
>> It's Wong to not accept it. IIRC...there is a better case for why it should be there than for it not being there.  It's a rather dumb thing for some of these commercial switches to even care about....I don't want to set a precedence here that I will perpetually change our sip stack and chase after every interop case... Make sure the param is set, I believe it disables it completely going against the rfc but I can't check till Monday.  This is part of Sofia not FS itself.
>> 
>> On Sep 14, 2012 7:19 PM, "Mike Burlingame" <mike.burlingame at me.com> wrote:
>> Thanks that seem to help the high session timer value however the require: timer is still present 
>> 
>> Invite from B-Leg --> FreeSwitch
>> recv 913 bytes from udp/[Outbound_Carrier_Proxy]:5060 at 23:50:28.717807:
>>    ------------------------------------------------------------------------
>>    INVITE sip:18665551212 at FreeSwitch:5060 SIP/2.0
>>    Via: SIP/2.0/UDP Outbound_Carrier_Proxy;branch=z9hG4bKcb3e.af955752.0
>>    Via: SIP/2.0/UDP Carrier_IP:5060;branch=z9hG4bK80qcmt0080p0ntsfn2j0sbd83gel1.1
>>    Allow-Events: message-summary, refer, dialog, line-seize, presence, call-info, as-feature-event
>>    Max-Forwards: 68
>>    Call-ID: 28526ec2-4570-428b-960e-a065b7fcdfac
>>    From: <sip:18665551212 at Carrier_IP>;tag=10.152.0.77+1+63320+3c304bf3
>>    To: "BURLINGAME MIKE" <sip:13605551212 at X.X.X.X>;tag=B688eNFc2yv3e
>>    CSeq: 219015274 INVITE
>>    Expires: 180
>>    Contact: <sip:19999218665551212 at Carrier_IP:5060;transport=udp>
>>    Organization: MetaSwitch
>>    Supported: 100rel, resource-priority
>>    Content-Length: 193
>>    Content-Type: application/sdp
>>    
>>    v=0
>>    o=- 3341834898 3341834898 IN IP4 Carrier_IP
>>    s=-
>>    c=IN IP4 Carrier_IP
>>    t=0 0
>>    m=audio 29864 RTP/AVP 18 0 101
>>    a=rtpmap:101 telephone-event/8000
>>    a=ptime:20
>>    a=silenceSupp:off - - - -
>> 
>> 
>> 
>> Invite from FreeSwitch --> A-Leg
>> send 1000 bytes to udp/[ULC]:5060 at 23:50:28.718781:
>>    ------------------------------------------------------------------------
>>    INVITE sip:mod_sofia at A-LEG_IP:5070 SIP/2.0
>>    Via: SIP/2.0/UDP FreeSwitch;rport;branch=z9hG4bKjFHtgQ8r4p0Sg
>>    Route: <sip:ULC;lr=on>
>>    Max-Forwards: 47
>>    From: <sip:18665551212 at ULC>;tag=aXFgDty84N6gK
>>    To: "BURLINGAME MIKE" <sip:13605551212 at A-LEG_IP>;tag=XeZZ4FrX4gXeg
>>    Call-ID: 71f58b05-5d2c-4f09-a390-66bf9698eff5
>>    CSeq: 33497250 INVITE
>>    Contact: <sip:18665551212 at FreeSwitch:5060;transport=udp>
>>    User-Agent: FreeSwitch
>>    Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, NOTIFY
>>    Require: timer
>>    Supported: timer, precondition, path, replaces
>>    Session-Expires: 3600;refresher=uas
>>    Min-SE: 120
>>    Content-Type: application/sdp
>>    Content-Disposition: session
>>    Content-Length: 193
>>    P-hint: outbound
>>    X-FS-Support: update_display,send_info
>>    
>>    v=0
>>    o=- 3341834898 3341834898 IN IP4 Carrier_IP
>>    s=-
>>    c=IN IP4 Carrier_IP
>>    t=0 0
>>    m=audio 29864 RTP/AVP 18 0 101
>>    a=rtpmap:101 telephone-event/8000
>>    a=ptime:20
>>    a=silenceSupp:off - - - -
>> 
>> 
>> On Sep 14, 2012, at 4:42 PM, Michael Collins <msc at freeswitch.org> wrote:
>> 
>>> Mike, try comma separating the values instead of using two sets of {}:
>>> add_action("bridge","{sip_wait_for_aleg_ack=true,sip_require_timer=false}[sip_contact_user=$ext,sip_auth_username=".$tp_username.",sip_auth_password=".$tp_password.$x_lrn."]sofia/fs/".$tp_trunkprefix.$ext."@".$tp_providerip.";fs_path=sip:OUT_PROXY");
>>> 
>>> -MC
>>> 
>>> On Fri, Sep 14, 2012 at 3:38 PM, Mike Burlingame <mike.burlingame at me.com> wrote:
>>> I have that set in the bridge command however does not seem to be working as expected.
>>> 
>>> add_action("bridge","{sip_wait_for_aleg_ack=true}{sip_require_timer=false}[sip_contact_user=$ext,sip_auth_username=".$tp_username.",sip_auth_password=".$tp_password.$x_lrn."]sofia/fs/".$tp_trunkprefix.$ext."@".$tp_providerip.";fs_path=sip:OUT_PROXY");
>>> 
>>> 
>>> 
>>> On Sep 14, 2012, at 3:16 PM, Anthony Minessale <anthony.minessale at gmail.com> wrote:
>>> 
>>>> set {sip_require_timer=false} in your outbound calls or globally 
>>>> 
>>>> 
>>>> On Fri, Sep 14, 2012 at 5:10 PM, Mike Burlingame <mike.burlingame at me.com> wrote:
>>>> it seems if I get an re-invite from the B-Leg FS add's requires timer and changes the session timer to a high value to the re-invite going to the A-Leg come to find out Acme Packets at our ULC's do not like this and send us back a 420 Bad Extension and the call is disconnected with Reason: Q.850;cause=127;text="INTERWORKING"
>>>> 
>>>> The ULC are stating we need to only have it in our supported and do not pass them a require.
>>>> 
>>>> Re-Invite from B-Leg to FS
>>>>    ------------------------------------------------------------------------
>>>>    INVITE sip:16025551212;phone-context=+1 at FS_SERVER:5070 SIP/2.0
>>>>    Via: SIP/2.0/UDP OpenSIPs_DID_Proxy;branch=z9hG4bK8288.10e55fe5.0
>>>>    Via: SIP/2.0/UDP B-LEG_IP:5060;branch=z9hG4bKve7vp6002gr1gfsh72k0sb1gv1ek1.1
>>>>    Call-Id: f8330599-d298-4233-92bb-5d622e85aa6d
>>>>    Contact: <sip:18475551212 at B-LEG_IP:5060;transport=udp>
>>>>    Content-Length: 217
>>>>    Content-Type: application/sdp
>>>>    CSeq: 33480808 INVITE
>>>>    From: <sip:18475551212 at B-LEG_IP>;tag=100052073
>>>>    Max-Forwards: 92
>>>>    Session-Expires: 3600;refresher=uas
>>>>    Supported: timer
>>>>    To: <sip:116025551212 at OpenSIPs_DID_Proxy>;tag=Dj92X5t8065FQ
>>>>    User-Agent: FreeSwitch
>>>> 
>>>>    v=0
>>>>    o=- 3308986892 0 IN IP4 B-LEG_IP
>>>>    s=Media Server
>>>>    c=IN IP4 B-LEG_IP
>>>>    t=0 0
>>>>    m=audio 51246 RTP/AVP 0 101
>>>>    a=rtpmap:0 PCMU/8000
>>>>    a=rtpmap:101 telephone-event/8000
>>>>    a=fmtp:101 0-15
>>>>    a=ptime:20
>>>>    ------------------------------------------------------------------------
>>>> 
>>>> Re-Invite from FS to A-Leg
>>>>   ------------------------------------------------------------------------
>>>>    INVITE sip:16025551212 at DID_CARRIER:5060;transport=udp SIP/2.0
>>>>    Via: SIP/2.0/UDP FS_SERVER:5070;rport;branch=z9hG4bKj8yevKKS0X0mK
>>>>    Route: <sip:OpenSIPS_DID_CARRIER_Proxy;lr=on>
>>>>    Max-Forwards: 97
>>>>    From: <sip:18475551212;phone-context=+1 at OpenSIPS_DID_CARRIER_Proxy:5060;user=phone>;tag=c9Favaa53XFXB
>>>>    To: <sip:16025551212;phone-context=+1 at DID_CARRIER:5060;user=phone>;tag=SDd626401-gK095bbb72
>>>>    Call-ID: SDd626401-b06f59c4aa359462042e25890d7b5bfd-v3000i1
>>>>    CSeq: 33480811 INVITE
>>>>    Contact: <sip:18475551212;phone-context=+1 at FS_SERVER:5070;transport=udp>
>>>>    User-Agent: FreeSwitch
>>>>    Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, NOTIFY
>>>>    Require: timer
>>>>    Supported: timer, precondition, path, replaces
>>>>    Session-Expires: 64800;refresher=uas
>>>>    Min-SE: 64800
>>>>    Content-Type: application/sdp
>>>>    Content-Disposition: session
>>>>    Content-Length: 235
>>>>    X-FS-Support: update_display,send_info
>>>> 
>>>>    v=0
>>>>    o=- 3308979701 3213293310682935904 IN IP4 B-LEG_IP
>>>>    s=Media Server
>>>>    c=IN IP4 B-LEG_IP
>>>>    t=0 0
>>>>    m=audio 51246 RTP/AVP 0 101
>>>>    a=rtpmap:0 PCMU/8000
>>>>    a=rtpmap:101 telephone-event/8000
>>>>    a=fmtp:101 0-15
>>>>    a=ptime:20
>>>>    ------------------------------------------------------------------------
>>>> 
>>>> 
>>>> _________________________________________________________________________
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>>>> 
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>>>> 
>>>> -- 
>>>> Anthony Minessale II
>>>> 
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>>> Michael S Collins
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>> 
>> 
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