Noise on ring tone when using sip.voipfone.co.uk+Grandstream

#1
Hi,

I've put off making this post due to the hostility against the Grandstream GXP 2000 phone :roll:

When using the sip.voipfone.co.uk server and my Grandstream GXP 2000 I get noise rather than ringing tone when making calls. When the called party answers the connection is made OK.

I don't get this issue when registering on the voipfone.co.uk server. This wouldn't be an issue, but the voipfone.co.uk network is being switched off.

Using a softphone on a PC is OK on both servers.

Has anyone else had this problem or can suggest anything to try? Any info gratefully received. It may be a setting on the phone or my router that I need to change. The Grandstream firmware is 1.1.14.

I currently use an Intertex router (firmware version 4.02), which has been working fine. I bought this to solve voipfone+Grandstream deregistering problems. I want to stay with the Voipfone service but I don't really want to purchase a new IP phone if I can help it (VoIP is getting expensive) :(

Ted

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