SIP scanners
carl:
I thing which concerns me that caller ID sometimes does not come over properly on calls from overseas, especially if people use certain cheap voip services there you just get a few nonsensical numbers.. Wonder whether to take the chance.
Messing with ports is not an option for me, the U-verse gateway will not cooperate with VOIP unless put into DMZ.
On the other hand, I have to get rod off the scanners. I am already turning off everything overnight or when on the road. :(
Hortoristic:
You just need to modify the string for the correct number if digits. Our UK incoming always begins with 44xxxxxxxx, or similar, so you build a rule that had your appropriate country code and exact number of digits. All my scanner numbers seem to have been less than 5 digits. I've posted my string earlier that has completely blocked them and we receive over seas calls ok.
carl:
@hortoristic. the problem can occur when the people use a calling card or some voip services- I guess the name was Freecall where I got the short and nonsensical ID's. But you are right about the 5 digits or less with SIP scanners and I will probably take the chance. I let people know that if their calls get blocked they should e-mail me or use a regular carrier.
ianobi:
@ carl. I don't know anything about the U-verse gateway, but I often run my OBi110 in DMZ and changing UserAgentPorts is still a very good idea. If port 5060 is not allocated to your Obi the scanner calls to 5060 will not call your OBi phone. To try it you only have to change the UserAgentPorts in your OBi; if the OBi is in DMZ then there is no need to change any router settings.
flex25:
Update: It's been over two months since I made changes to X_InboundCallRoute, and X_UserAgentPort, and in that time, I have had no SIP scanner calls. So, I do believe it's working.
The changes I made I posted on this thread on Oct. 19; incoming calls with no peer number or a peer number of less than 10 digits are blocked, and I'm no longer using the common 5060 user agent port.
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