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Voice issue Fastweb

Publication Date:  2014-11-17 Views:  79 Downloads:  0
Issue Description
AR register number 0108176803 to SIP server, when making outgoing calls, AR send “invite” message to redirect server. Redirect server will reply 300-redirect message to tell AR the real destination.
Handling Process
The phones connected with AR router cannot make any outgoing call. He will get busy tone when dialing out.
Root Cause
In this scenario (calls with 300 redirection ), the caller number is 01081xxxxx, it match with the default international prefix & country code of Japan, in this case AR recognize it as a international call.

[Huawei-voice]display voice country-code 81
  Country code          : 81
  Country name          : Japan
  International prefix  : 010
  National prefix       : 0
  
The default international prefix and country code was set according to the real situation of each country, for example the international prefix in Japan is 010. If you are in Japan, you need to dial 010+39+number when you want to dial an Italy number. But the international prefix is 00 in Italy.
Solution
Run this command to modify the international prefix of 81 as 00. After modification it will not be recognized as a internal incoming call any more.
country-code 81 international-prefix 00

5. Follow-up Plan
Since there may be other register IDs also conflicting with the other internal prefix. We advise to run below commands to modify all international prefix as 00, so that this device will work properly for any register ID.

country-code 1 international-prefix 00
country-code 7 international-prefix 00
country-code 53 international-prefix 00
country-code 55 international-prefix 00
country-code 57 international-prefix 00
country-code 61 international-prefix 00
country-code 62 international-prefix 00
country-code 65 international-prefix 00
country-code 81 international-prefix 00
country-code 82 international-prefix 00
country-code 102 international-prefix 00
country-code 234 international-prefix 00
country-code 235 international-prefix 00
country-code 238 international-prefix 00
country-code 247 international-prefix 00
country-code 254 international-prefix 00
country-code 256 international-prefix 00
country-code 375 international-prefix 00
country-code 380 international-prefix 00
country-code 381 international-prefix 00
country-code 591 international-prefix 00
country-code 592 international-prefix 00
country-code 675 international-prefix 00
country-code 852 international-prefix 00
country-code 992 international-prefix 00
country-code 993 international-prefix 00
country-code 994 international-prefix 00
country-code 995 international-prefix 00
country-code 998 international-prefix 00

END