<p></p>
Thanks a lot.<br>
In sip register: Request-URI: sip:ims.mnc001.mcc310.3gppnetwork.org , sip register is ok.In sip invite: Request-URI: tel:310010120073501;phone-context=ims.mnc001.mcc310.3gppnetwork.org, return 478 Unresolvable destination .Should i modified kamailio.cfg such as bellows ??? I don't know how modified the kamailio.cfg .if (is_method("INVITE")) {$ru = "sip:ims.mnc008.mcc460.3gppnetwork.org"; # rewrite the "Request-URI"$du= "sip:ims.mnc008.mcc310.3gppnetwork.org"; }<br>
----- 原始邮件 -----<br>
发件人：Henning Westerholt <notifications@github.com><br>
收件人：kamailio/kamailio <kamailio@noreply.github.com><br>
抄送人：lglhust <lgl_hust@sina.com>,  Author <author@noreply.github.com><br>
主题：Re: [kamailio/kamailio] unsupported sip invite request-uri format (#2646)<br>
日期：2021年02月23日 16点02分<br>
<br>

<br>
Kamailio will return 478 if it can not resolve the destination e.g. by DNS. Please check your routing script that you end up with a proper request URI that contains a hostname/domain part (or set $du etc..) that Kamailio can route the request accordingly.
<br>
Please discuss the details of your issue on the sr-users list, as the issues are used for tracking issues in the code or more concrete feature requests.
<br>

<br>
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