[Asterisk-Users] grandstream transfer, park and conference

[Ing Isianto Istiadi]

What's your extensions.conf and sip.conf for your Grandstreams look 
like?

I'm not in my machine right now, but here's the relevant configs

Extensions.conf
[ext]
Ignorepat=9
Exten=>_9XXXXXXXXXX,1,Dial(zap/1,tTr,20)
Exten=>_9XXXXXXXXXX,2,hangup

[sip]
Include=>ext
Include=>parkedcalls


Sip.conf
Posrt = 5060
Bindaddr = 0.0.0.0

[Isianto]
Type=friend
Username=Isianto
Secret=xxxxxxx
Host=dynamic
Qualify=50
Context=sip
Mailbox=22
Disallow=all
Allow=gsm
Allow=ulaw
Dtmfmode=info

[Istiadi]
Type=friend
Username=istiadi
Secret=xxxxxxx
Host=dynamic
Qualify=50
Context=sip
Mailbox=23
Disallow=all
Allow=gsm
Allow=ulaw
Dtmfmode=info


What are your options in the GS config webpage for:
1) NAT transversal (and are you behind a NAT firewall) 
Set to no
2) Send Flash event
Set to no
3) Send DTMF
Dtmf = info (I tried rfcxxx, I forgot)

Thanks
Isianto