00:57 Establish SIP Trunk between TG and P-Series.
02:56 Route rules of routing SIP calls via all SIM cards. (IP to Mobile)
05:04 Route rules of routing SIP calls via specific SIM card for the specific extensions. (IP to Mobile)
07:33 Route rules of routing SIP calls via specific SIM card for the specific called numbers. (IP to Mobile)
09:21 Route rules of routing GSM calls to different PBX destination. (Moible to IP)

Reference: https://help.yeastar.com/en/p-series-...