Hi everyone, 

I use kamailio and have some problem, need support. 

My scenario: 
- Kamailio ( x.x.x.x ) --> SIP provider (y.y.y.y) 

When i callout, SIP INVITE have 2 Record Route (1 x.x.x.x , 1 127.0.0.1) and 2 
Via (1 x.x.x.x , 1 127.0.0.1), SIP provider reject it. 

I try to enable topos, SIP INVITE now have 1 Record Route x.x.x.x , 1 Via 
x.x.x.x. Everything look ok but Contact be masked like 
<sip:abcdefghijk@x.x.x.x> and SIP Provider reject it. 

Any one know how to have Contact as <sip:0123456789@x.x.x.x> where 0123456789 
is our SIP number. 

Sincerely, 
---- 
TRAN DUC THANH 
IT Manager 
ZLINK TECHNOLOGY CO., Ltd 

Add: 4th Floor, 14 Phao Dai Lang Str, Dong Da Dist., Hanoi, Vietnam 
186 Bis Tran Quang Khai, Dist 1, HCM, Vietnam 
Tel: (84-24) 7 309 99 68 / (84-28) 7309 99 68 
Mobile: (84)988612049 - (84)904706808 - Skype ID: thanhtd07 
Email: [ mailto:tranth...@voip.com.vn | tranth...@voip.com.vn ] 

ZLINK - VoIP Solution - Software Licensing - Server&Network Device 
[ http://voip.com.vn/ | VoIP.com.vn ] - [ http://azsoft.com/ | AzSoft.com ] - [ 
http://serverhot.net/ | ServerHot.Net ] 
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