您可以拨打本地频道(拨号方案).之后在拨号方案中你可以使用拨号命令的 m.

You can call to Local channel(dialplan). After that in dialplan you can use m of dial command.

https://www.voip-info.org/wiki/view/Asterisk+local+channels

same  =>  n,Originate(Local/[my_cell_no]@out/n,exten,incoming_remote,##${EXTEN:4})

[out]
exten => _X.,1,Dial(SIP/+86${EXTEN}@[voip_provider],,m)