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ht488
2006 Dec 06
1
Can not hear called party
...lling party, as other flow works (caller hears
called). This occurs between 5 and 10% of the time.
The configuration is the following:
- Asterisk 1.2.9.1
- Zaptel 1.2.6
- Libpri 1.2.3
- chan_misdn 0.3.1-rc17
- 6 Polycom IP300 (firmware 1.6.3.0067)
- 1 Polycom IP301 (same firmware)
- 2 Grandstream HT487 1.0.7.11 ATA
- 1 2*BRI ISDN card from Beronet working in P2P TE mode
- Standard Supermicro server P4 3.0GHz 1GB RAM RAID 1
The problem only occurs with Polycom phones, since we add the 301 (never
used) on the network.
SIP caracteristics:
* no reinvite (occurs also with reinvite)
* ulaw
* No NAT,...