Difference between revisions of "How to connect to Huawei devices"

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Huawei sends pagtches to Asterisk to cripple Asterisk to support their non-standard SIP implementation but do not fix their own implementations.  
Huawei sends pagtches to Asterisk to cripple Asterisk to support their non-standard SIP implementation but do not fix their own implementations.  


One we encountered is that in SIP INVITE message Asterisk sends line:
One we encountered is then in SIP INVITE message Asterisk sends line:


  a=silenceSupp:off - - - - -
  a=silenceSupp:off - - - - -


Huawei softswitch does not like it and returns error.
Huawei softswitch does not like it and returns error.
Related links:
* http://lists.digium.com/pipermail/asterisk-dev/2006-March/019067.html
* http://lists.digium.com/pipermail/asterisk-dev/2006-March/019156.html
* http://bugs.digium.com/view.php?id=6669
Provider which uses Huawei insisted we should patch (criple) Asterisk to make to work with their softdwitch. Instead we put middle server between our Asterisk server and their softswitch:
Our main Asterisk <---> Patched Asterisk <---> Huawei softswitch

Revision as of 14:59, 25 January 2008

Huawei.png

Huawei develops various devices which has nasty bugs in SIP implementation.

Huawei sends pagtches to Asterisk to cripple Asterisk to support their non-standard SIP implementation but do not fix their own implementations.

One we encountered is then in SIP INVITE message Asterisk sends line: 

a=silenceSupp:off - - - - -

Huawei softswitch does not like it and returns error.

Related links:

Provider which uses Huawei insisted we should patch (criple) Asterisk to make to work with their softdwitch. Instead we put middle server between our Asterisk server and their softswitch: 

Our main Asterisk <---> Patched Asterisk <---> Huawei softswitch
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