Acme Packet (MOSC)

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Retransmission Response

edited May 6, 2016 4:08AM in Acme Packet (MOSC) 1 commentAnswered

Hello,

During an IP incident, I've noticed the following behavior:

  • My CPE (implemented as a registered session agent) sent a register to my SBC,
  • My SBC responds with "401 Unauthorized" but it won't be delivered to my CPE due to the IP Incident
  • My SBC didn't receive any reply from my CPE so it keeps sending "401 Unauthorized" every 08 seconds till it reachs 32 sec.
  • The CPE keeps sending Register (Im not interested here on its retransmission mechanism).

Weired ! The retransmission mechanism played by my SBC seems to be different from my implementation on sip-config.

        init-timer                             500

        max-timer                           4000

        trans-expire                         32

As you can see below the response was sent at 02:34:

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