Vitelity is our preferred IP telecommunications provider:

• SIP Trunking
• vFAX

To audit your vFax usage/billing, you would:

User Portal → Billing → Invoice → vFax → <account>

VoIP Servers:

64.2.142.0/24
66.241.96.0/24
66.241.97.0/24
66.241.99.0/24
66.241.107.0/24
66.241.109.0/24
140.239.143.0/24
207.166.136.0/24

/ip firewall address-list
add address=64.2.142.0/24 comment="Vitelity Voice Servers" list=vitelity
add address=66.241.96.0/24 list=vitelity
add address=66.241.97.0/24 list=vitelity
add address=66.241.99.0/24 list=vitelity
add address=66.241.107.0/24 list=vitelity
add address=66.241.109.0/24 list=vitelity
add address=140.239.143.0/24 list=vitelity
add address=207.166.136.0/24 list=vitelity

vim /etc/sysconfig/iptables

# Allow INTERNAL connections to SIP and IAX signalling ports
-A INPUT -p udp -m udp -m multiport -j ACCEPT --dports 5060,4569 -s 192.168.30.0/24 
# Allow SIP PROVIDER connections to SIP and IAX signalling ports
-A INPUT -p udp -m udp -m multiport -j ACCEPT --dports 5060,4569 -s 66.241.96.0/24
-A INPUT -p udp -m udp -m multiport -j ACCEPT --dports 5060,4569 -s 64.2.142.0/24
-A INPUT -p udp -m udp -m multiport -j ACCEPT --dports 5060,4569 -s 66.241.97.0/24
-A INPUT -p udp -m udp -m multiport -j ACCEPT --dports 5060,4569 -s 66.241.99.0/24
-A INPUT -p udp -m udp -m multiport -j ACCEPT --dports 5060,4569 -s 66.241.107.0/24 
-A INPUT -p udp -m udp -m multiport -j ACCEPT --dports 5060,4569 -s 66.241.109.0/24
-A INPUT -p udp -m udp -m multiport -j ACCEPT --dports 5060,4569 -s 140.239.143.0/24
-A INPUT -p udp -m udp -m multiport -j ACCEPT --dports 5060,4569 -s 207.166.136.0/24 
# Allow connections to RTP ports
-A INPUT -p udp -m udp --dport 10000:20000 -j ACCEPT

There is a configurable cap to limit calls to expensive international destinations. This is done to limit exposure to abuse.

1. Click on Settings
2. Click on International
3. Choose the desired amount