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nat help for sip provider to pbx behind srx300

‎05-02-2020 02:18 PM

Hello ALL 

First of all thanks for stopping and checking this out for me.I m new to juniper.I need help to accomplish this.

Port forward UDP 5060 from  ALL of the following: 1.2.3.4, 5.6.7.8,  9.10.11.12 to Internal PBX IP: 192.168.168.250

Port forward UDP range 5070 to 65536 from IP range 13.14.15.0/24 and  16.17.18.228 -250  to media IP address of PBX ( same ip 192.168.168.250).

The connection for internet for SRX 300 is on pppoe with Static ip (19.20.21.22)from my ISP. (eth 0).The sip trunks registered with username and password credentilas so another words traffice is initiated from INSIDE (trust zone).