[Asterisk-Users] MWI for SER and Asterisk - ast_data vs "realtime"

[Cameron Beattie]

Bug 002980 contains a patch that delivers MWI from Asterisk to SIP clients registered with SER. It requires ast_data which doesn't patch the current CVS HEAD. Since I need MWI and I want Asterisk and SER to store data in a shared database I could:
- use an old version of Asterisk and install ast_data. The patch author runs a large-scale clustered SER/Asterisk environment and believes ast_data to be superior to "realtime". However "realtime" may now have developed to the point that these objections are no longer relevant. Specific problems still seem to be SIP clients behind NAT and voicemail notifications (both very important to me)
- use realtime and write something that gives me the functionality required and hope that the NAT and voicemail issues get fixed soon. Apart from it being a pain to write this I also have not heard of anyone using SER + Asterisk "realtime" in a large-scale production environment. If anyone has had any such successes it would be good to know about them.

I would appreciate thoughts on these (or any other) alternatives.

Regards

Cameron
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