fix SIP voip regitering peers -- 2

I have a grandstream model UCM 65 10 that reboots and connects the voip trunks very well. however after some minutes, the registration refresh is not working properly.

need help:

this is the error message in the asterisk logs

WARNING[1923] chan_sip.c: Timeout on 896482223-292013357-1450912169 on non-critical invite transaction.

Skills: Linux, Asterisk PBX, Cisco, VoIP, PHP

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About the Employer:
( 64 reviews ) Lauro de Freitas, Brazil

Project ID: #27390250

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This might be a NAT issue where VOIP freepbx server is unable to contact the trunk provider and I am able to have a look and suggest the fix. Please go through my past VoIP projects and customer feedback nine years of More

$35 USD in 1 day
(65 Reviews)

2 freelancers are bidding on average $33 for this job


i have 8 years experience in VoIP i can fix your issue with sip registration please feel free to contact me anytime for more discussion.

$30 USD in 1 day
(2 Reviews)