proxy-ing destCallSignalAddress/ipAddress to another H323-GW

Hello,

I have a customer that would like to proxy the information contained in "destCallSignalAddress: ipAddress" in the originating Setup to the next hop. The call has to traverse two SBCs before reaching the final destination IP, contained in that field. 

At the moment this is what's happening:

h323 videophone -- Setup :destCallSignalAddress: 1.1.1.1 --> 192.168.30.2[APKT SBC] -- Setup: destCallSignalAddress: 192.168.159.2 --> 192.168.159.2[SBC2] (failure) [target:1.1.1.1]

 

the destCallSignalAddress IP is replaced by the next-hop signaling IP before reaching SBC2. The customer would like the destCallSignalAddress/ipAddress to remain 1.1.1.1

I know we can proxy the source info (option proxySrcInfo) which was also asked , but not sure if we can do the same with the destCallSignalAddress ?