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Local SIP Port - Allow port range or port value equal to 0!
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ruiseixas Offline
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Posts: 34
Joined: May 2013
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Post: #3
RE: Local SIP Port - Allow port range or port value equal to 0!
Hi,

Thanks for the answer.

I switch the gateway router and the problem persisted, registration lost after a while, I also try some ports reserved for the VPN protocol, that normally pass through firewalls, with no success:
Code:
IPSec    500    UDP
L2TP    1701    UDP

Because the problem of unstable registration persisted, and because now I'm in Algeria, I start to conclude that maybe the ADSL service has a firewall configuration that blocks ports with traffic similar to SIP! After changing the local SIP port, the registration is immediate and an important detail to support this suspicion, is that registrations with less registration expire time are blocked earlier... Dodgy

Regards,
Rui

Code:
Firmware Version           9.71.0.140
Hardware Version           7.0.1.61
(This post was last modified: 10-25-2013 06:44 AM by ruiseixas.)
10-25-2013 06:40 AM
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RE: Local SIP Port - Allow port range or port value equal to 0! - ruiseixas - 10-25-2013 06:40 AM

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