CallForwarding by Betamax stops working!?

[martin]

I suspect this is a problem with the Betamax FUP

Betamax require an IP address to be passed to them in the SIP message for any call originating from Voxalot.

Normally this would be the IP address of your ATA or Web Browser if using Web Callback

For call forwarding however, the only IP address available is the one passed in the CONTACT URI received on the inbound i.e. the IP address of the DID provider etc of the call you are about the forward.

Are you guys noticing that some of your calls are forwarding and others are not?

[130166]

Originally Posted by martin

Are you guys noticing that some of your calls are forwarding and others are not?

All calls to budgetphone.nl-number forwarded to work PSTN number fails anyway. And after your question try call to other number and seems only call forwards from incoming calls on budgetphone.nl number fails. So seems no general problem voxalot/betamax but with Budgetphone.nl?

I have not very much with CONTACT URI stuff. What I have to do. Contact Budgetphone.nl? What must I tell them? Or can you see something strange in your logs with calls to budgetphone.nl.

Originally Posted by martin

For call forwarding however, the only IP address available is the one passed in the CONTACT URI received on the inbound i.e. the IP address of the DID provider etc of the call you are about the forward.

So Budgetphone.nl stops sending CONTACT URI since yesterday?

[tomblandford]

So far none of my calls have gone through but I switched to another provider temporarily yesterday to keep it working. When a call originates from a POTS landline what IP is sent? Surely the only one available is the Voxalot EU server IP or the IP of my incoming provider? So it must be that one of these two is being blocked due to FUP? Give that other people are suffering, it would appear to be Voxalots EU server. Since the FUP limit is reset weekly, it may be OK next week. Not an ideal situation though - can't rely on calls working.

[martin]

Originally Posted by tomblandford

When a call originates from a POTS landline what IP is sent? Surely the only one available is the Voxalot EU server IP or the IP of my incoming provider?

It is the IP address of the CONTACT hostname sent by the provider not the Voxalot server.

This is the most sensible IP address to use in this scenario. Unfortunately, we have no control over the Betamax FUP around IP addresses.

[dimitrivisser]

What are the requirements for the ipnumber passed to Betamax ? What I see here is that different ipadresses are used;

Normally this would be the IP address of your ATA or Web Browser if using Web Callback

For call forwarding however, the only IP address available is the one passed in the CONTACT URI received on the inbound i.e. the IP address of the DID provider etc of the call you are about the forward.

It is the IP address of the CONTACT hostname sent by the provider not the Voxalot server.

If using the ipnumber of the DID provider and many users are using the same provider the FUP policy of voipbuster/voipcheap (Betamax) is exceeded very fast.

Maybe it is possible to make an extra option in the setup - Member Details to let users specify their own ADSL/Cable or so ipadress and use that ipadres for Betamax ?

[martin]

Originally Posted by dimitrivisser

Maybe it is possible to make an extra option in the setup - Member Details to let users specify their own ADSL/Cable or so ipadress and use that ipadres for Betamax ?

Nice idea but could be prone to abuse. The agreement made between Voxalot and Betamax a few months back was to pass the IP address of the UAC that originated the call.

Unfortunately in the case of provider / DID inbounds the only IP address that makes sense to pass on is the one in the CONTACT URI.

[tomblandford]

It would be better if Betamax charged us when FUP reached. That way we could at least rely on calls getting through. Can we assume that the calls will work again next week when FUP resets? At least for a while.

Given that call forwarding stopped working at the same time for us, we would have to assume we're both using the same inbound provider. Dimitri, 130166, are you using voip.co.uk?

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