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Posts: 2
Registered: ‎08-30-2009
Accepted Solution

spa8000 GPON sip to GPON del oneway speech

i have SPA8000 with 6 line SIP PABX. The call from SIP GPON to Del GPON always one way speech. While SIP to SIP ,SIP to PSTN all ok. This problem is on version 6.1.10 while for 5.10.1 it is ok. pl inform what is setting difference between these two versions. All 6 SIP lines have oneway speech.
Posts: 180
Registered: ‎06-18-2009

Re: spa8000 GPON sip to GPON del oneway speech

This could be ports being block by the firewall on your router.I Could recommend to forward the ports UDP 5060-5061 and UDP 16384-16391. And also you could enable the NAT Mapping and NAT Keep live on per Lineb that has a registered account