Notes here are for correctly installing and configuring FreePBX
Settings > Asterisk SIP Settings
Nat Settings
You need to configure depending upon your setup. For most customers that are using FreePBX behind a NAT (router) you should set Nat=yes and IP Configuration to Static IP
Enter your External IP and add your Local Networks For example
| NAT? |
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| IP Configuration? |
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| External IP? | ||
| Local Networks? | / | |
Audio Codecs
Codec should be set to alaw only.
Notification & MWI should be both set to No
Registration Settings (defaultexpiry) needs to be set to 3600
Allow Anonymous Inbound SIP Calls? Yes
SRV Lookup = Yes
Submit Changes
Under Connectivity > Trunks > Add SIP Trunk
Outgoing Settings
Trunk Name: NehosOut
PEER Details
host=sip.nehos.com.au
fromdomain=sip.nehos.com.au
username=XXXXXXXX
secret=xxxxxxxxx
type=peer
Incoming Settings
USER Context: NehosIn
secret=xxxxxxxxxx
type=user
context=from-trunk
Register String :
This sends a registration request to Nehos so we know what your public IP address is.
The format for the registration string is SIP_account_username:SIP_account_password@sip.nehos.com.au
For example
0731071900:pass12346djea32@sip.nehos.com.au
FreePBX current version v2.11
Asterisk least v10.12.2