Ok, I have got it working with stun. But only if I make an incoming call from outside to inside. I can hear and talk on both sides.
I have made this outging NAT Rule
Interface Source Source Port Destination Destination Port NAT Address NAT Port Static Port Description
WAN 192.1XXXXXX0/32 * * * Interface address * YES VOIP
Firewall Rules allow everything from Grandstream to any in the first step.
On Grandstream:
FXS Port:
Primary SIP Server: tel.t-online.de
SIP Transport: UDP
NAT Traversal: Auto
SIP User ID: +49XXXXXXXX
Authenticate ID: anonymous@t-online.de
Authenicate Password: "TelekomPW from PPPOE"
DNS Mode: NAPTR/SRV
Enable SIP OPTIONS/NOTIFY Keep Alive: OPTIONS
SIP OPTIONS/NOTIFY Keep Alive Interval: 600
Preferred Vocoder:
choice 1 to 8: all G722
Forced Codec Feature all No and the last G722 Codec: Yes
Under Advanced Settings:
STUN server is: stun.t-online.de
My last problem: I can not make an outgoing call from inside to outside....I just got fast beep beep beep
I have made this outging NAT Rule
Interface Source Source Port Destination Destination Port NAT Address NAT Port Static Port Description
WAN 192.1XXXXXX0/32 * * * Interface address * YES VOIP
Firewall Rules allow everything from Grandstream to any in the first step.
On Grandstream:
FXS Port:
Primary SIP Server: tel.t-online.de
SIP Transport: UDP
NAT Traversal: Auto
SIP User ID: +49XXXXXXXX
Authenticate ID: anonymous@t-online.de
Authenicate Password: "TelekomPW from PPPOE"
DNS Mode: NAPTR/SRV
Enable SIP OPTIONS/NOTIFY Keep Alive: OPTIONS
SIP OPTIONS/NOTIFY Keep Alive Interval: 600
Preferred Vocoder:
choice 1 to 8: all G722
Forced Codec Feature all No and the last G722 Codec: Yes
Under Advanced Settings:
STUN server is: stun.t-online.de
My last problem: I can not make an outgoing call from inside to outside....I just got fast beep beep beep