Grandstream GXP-1200 supports reinvite

Discussion in '3CX Phone System - General' started by GaryHockin, Jun 2, 2010.

Thread Status:
Not open for further replies.
  1. GaryHockin

    Joined:
    Jun 2, 2010
    Messages:
    3
    Likes Received:
    0
    Hi Guys

    Does anyone know if the Grandstream GXP-1200 series iphone supports reinvite with 3cx. We are discovering that our phones and routing calls through the server at all times (despite PBX delivers audio being turned off and supports reinvite being turned on). This appears to be causing a delay of the line and some crackling.

    I had read somewhere that the grandstreams dont support reinvite with 3cx but do with other PBX's (like Asterisc).

    Anyone any thoughts.

    Gary Hockin
    Launceston College
     
  2. LeonidasG

    LeonidasG Support Team
    Staff Member 3CX Support

    Joined:
    Nov 19, 2008
    Messages:
    1,406
    Likes Received:
    81
    Hi,

    In Version 8 the GXP1200 Phone is automatically bound to media server no matter how you set it in the PBX, this is because Grandstream themselves had a small bug in their firmware that they just fixed recently in Version 9.

    So back in V8, the grandstream could only use the "Bound to Media Server" option.


    Grandstream did in the end fix the issue and you can now make us of the phone with re-invites.
    To make it work with Re-Invites, go to your PBX's Updates > Other > Phone Autodetection and download the update.

    Restart your PhoneSystem and try making a call and see what happens.
     
    Stop hovering to collapse... Click to collapse... Hover to expand... Click to expand...
  3. GaryHockin

    Joined:
    Jun 2, 2010
    Messages:
    3
    Likes Received:
    0
    Can I please confirm whether this is firmware version 9 or 3cx version 9 !

    Thanks

    Gary Hockin
     
  4. LeonidasG

    LeonidasG Support Team
    Staff Member 3CX Support

    Joined:
    Nov 19, 2008
    Messages:
    1,406
    Likes Received:
    81
    This is for Version 8 AND Version 9.
     
    Stop hovering to collapse... Click to collapse... Hover to expand... Click to expand...
  5. GaryHockin

    Joined:
    Jun 2, 2010
    Messages:
    3
    Likes Received:
    0
    Ok

    If I can just clarify

    We have firmware 1.2.3.5 on our phones, all grandstream gxp1200

    We have version 8.0.10824.716 of 3cx installed

    We have ensured PBX delivers audio are unticked and Supports Reinvite and Support replaces header are ticked.


    I have installed the phone autodetection update and have installed the new provisioning template.

    I have got two phones plugged into a network hub (a hub not a switch so I can sniff packets correctly) and have a laptop going into the same hub running wireshark.

    I can see RTP streams coming from
    Phone A to Server
    Server to Phone A
    Phone B to Server
    Server to Phone B
    But NOT a direct RTP stream from Phone A to Phone B, is this to be expected? I assumed there would be a direct RTP stream to Phone A to Phone B.

    Below is a copy of our logs from a call, it would appear the phone is not supporting reinvite

    11:18:02.293 [CM102001]: Authentication failed for SipReq: REGISTER 172.16.0.17 tid=9a637b1adb981b981 cseq=REGISTER contact=10002@172.16.1.49:5064 / 19883 from(wire); Reason: Credentials don't match, check that authorization-ID and password match the ones in extension settings
    11:18:00.297 [CM102001]: Authentication failed for SipReq: REGISTER 172.16.0.17 tid=5c02cf78fb6f7ddf8 cseq=REGISTER contact=10003@172.16.1.49:5066 / 26859 from(wire); Reason: Credentials don't match, check that authorization-ID and password match the ones in extension settings
    11:17:59.127 [CM503008]: Call(1): Call is terminated
    11:17:56.553 [CM503007]: Call(1): Device joined: sip:405@172.16.30.84:5060;transport=udp;user=phone
    11:17:56.553 [CM503007]: Call(1): Device joined: sip:403@172.16.30.100:5060;transport=udp;user=phone
    11:17:52.434 [CM505001]: Ext.405: Device info: Device Identified: [Man: Grandstream;Mod: GXP Series;Rev: General] Capabilities:[no-reinvite, no-replaces, unable-no-sdp, recvonly] UserAgent: [Grandstream GXP1200 1.2.3.5] PBX contact: [sip:405@172.16.0.17:5060]
    11:17:52.434 [CM503002]: Call(1): Alerting sip:405@172.16.30.84:5060;transport=udp;user=phone
    11:17:52.356 [CM503025]: Call(1): Calling Ext:Ext.405@[Dev:sip:405@172.16.30.84:5060;transport=udp;user=phone]
    11:17:52.325 [CM503004]: Call(1): Route 1: Ext:Ext.405@[Dev:sip:405@172.16.30.84:5060;transport=udp;user=phone]
    11:17:52.325 [CM503010]: Making route(s) to <sip:405@172.16.0.17:5060;user=phone>
    11:17:52.325 [CM505001]: Ext.403: Device info: Device Identified: [Man: Grandstream;Mod: GXP Series;Rev: General] Capabilities:[no-reinvite, no-replaces, unable-no-sdp, recvonly] UserAgent: [Grandstream GXP1200 1.2.3.5] PBX contact: [sip:403@172.16.0.17:5060]
    11:17:52.294 [CM503001]: Call(1): Incoming call from Ext.403 to <sip:405@172.16.0.17:5060;user=phone>

    Thanks

    Gary
     
Thread Status:
Not open for further replies.