Articles
About SIP ALG .. and the need to disable it
SIP ALG Explained Most of today's routers implement SIP ALG (Application Layer Gateway) and come with the feature enabled by default. While an ALG could help in solving NAT related problems, the fact is that most routers' ALG implementations are wrong and break SIP. There are various...
Disable SIP ALG -- Billion BiPAC
Log into your Billion router using your web browser. From the left-hand menu, navigate to Configuration > NAT > ALG Disable both SIP and H.323, then click Apply to complete the process..
Disable SIP ALG -- Cisco Enterprise
Regarding SIP ALG Almost all routers include a feature called SIP ALG, and are delivered with this feature enabled by default. An Application Layer Gateway, or ALG, could help in solving NAT related problems, but in our experience, most ALG implementations are wrong and break SIP....
Disable SIP ALG -- Fortinet / Fortigate
Regarding SIP ALG Almost all routers include a feature called SIP ALG, and are delivered with this feature enabled by default. An Application Layer Gateway, or ALG, could help in solving NAT related problems, but in our experience, most ALG implementations are wrong and break SIP....
Disable SIP ALG -- Mikrotik
Regarding SIP ALG Almost all routers include a feature called SIP ALG, and are delivered with this feature enabled by default. An Application Layer Gateway, or ALG, could help in solving NAT related problems, but in our experience, most ALG implementations are wrong and break SIP....
Disable SIP ALG -- Sonicwall
Regarding SIP ALG Almost all routers include a feature called SIP ALG, and are delivered with this feature enabled by default. An Application Layer Gateway, or ALG, could help in solving NAT related problems, but in our experience, most ALG implementations are wrong and break SIP....
Generic Router / Firewall Configuration Guide
These settings are provided as a general aid to help ensure you achieve the best possible performance of your VoIP services. These are non-specific to any brand or model of router or firewall, but should be set accordingly. SIP Application Layer Gateway SIP ALG: OFF H.323...
Quality of Service (QoS) -- Billion BiPac Routers
Match your Billion BiPac router's QoS settings to the following screenshot
Quality of Service (QoS) -- Cisco SRP527W Router
Go to Network setup > QoS > QoS Policy Select “Add entry” and configure the following settings: Applications > Add a new application Choose a name > eg, "ezytel" LAN > All Port range: 5060 to 5061 Optional: 10000 to 20000 (type: UDP) Priority >...
Quality of Service (QoS) -- DSCP TOS CoS Precedence Conversion Chart
TOSdecimalTOS(hex)TOS(binary)TOSPrecedencebinaryTOSPrecedencedecimalTOSPrecedencenameTOSDelayflagTOSThroughputflagTOSReliabilityflagDSCPbinaryDSCPhexDSCPdecimalDSCP/PHBclass 0 0x00 00000000 000 0 Routine 0 0 0 000000 0x00 0 none 4 0x04 00000100 000 0 Routine...
Quality of Service (QoS) -- NBN Services/Connections
Preamble The National Broadband Network (NBN) has created some very interesting challenges for users switching to its services, especially as it relates to connecting to third-party voice services providers such as us Digital Hybrid and our hosted PBX services. New NBN users across...