Hello Dadang, 

...inside route[LOCATION]

Server1:
if(!lookup("location") {
      xlog("Failed to Find user online in this server, maybe try Second server\n")
      $ru = "sip:" + $rU + "@192.168.15.30";
      route(RELAY);     
}



Server2:
if(!lookup("location") {
      xlog("Failed to Find user online in this server, maybe try First server\n")
      $ru = "sip:" + $rU + "@192.168.10.57";
      route(RELAY);     
}




For online users this will work as you require but may cause an infinite loop between the servers if you try dialling a user which is offline. 
Try adding SIP Headers and make sure you don't get into infinite loop condition.


Server1:

if(!lookup("location") {
      xlog("Failed to Find user online in this server, maybe try Second server\n")
      if(!is_present_hf("X-FROM-SERVER")) {
             append_hf("X-FROM-SERVER: 192.168.10.57\r\n");  
             $ru = "sip:" + $rU + "@192.168.15.30";
             route(RELAY);     
      }   
}



Server2:
if(!lookup("location") {
      xlog("Failed to Find user online in this server, maybe try First server\n")
      if(!is_present_hf("X-FROM-SERVER")) {
             append_hf("X-FROM-SERVER: 192.168.15.30\r\n");  
             $ru = "sip:" + $rU + "@192.168.10.57";
             route(RELAY);     
      }   

}

I hope you understand the logic. Pretty easy isn't it ?

Regards,
Sammy

On Sat, Mar 5, 2016 at 4:45 AM, Raihan Satya <raihanteknologi@gmail.com> wrote:
Halo, my name dadang setiawan

sample case

 VOIP Server  A
IP Address : 192.168.10.57
voip number Jon 100


Voip server B
IP Address : 192.168.15.30
voip number Brian  200

i am using linphone video for comunication jon & brian
the question is

How to solution comunication jon with brian
withhout  200@192.168.15.30

but direct 200 without using @




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