Select Service Type to be the Application Object and select P2P from the list box. Leave the Incoming Interface to any and select the Outgoing Interface to be WAN1. In the ZyWALL/USG, go to CONFIGURATION > BWM > Configuration > Add Policy, select Enable and type P2P Any-to-WAN as the policy’s Description. Set Up the Bandwidth Management for P2P on the ZyWALL/USGġ. In the ZyWALL/USG, go to CONFIGURATION > BWM > BWM Global Settings, select Enable BWM and Enable Highest Bandwidth Priority for SIP Traffic. Set Up the Bandwidth Management for SIP on the ZyWALL/USGġ. Make sure the SIP Signaling Port is configured the same as your VoIP phone SIP signaling port. In the ZyWALL/USG, go to CONFIGURATION > Network > SIP > SIP Settings, select Enable SIP ALG, Enable SIP Transformations (optional), Restrict Peer to Peer Signaling Connection and Restrict Peer to Peer Media Connection. You can limit bandwidth consuming services, such as Peer-to-Peer (P2P) and FTP service while providing a higher priority and consistent bandwidth for voice traffic.ġ. To achieve high-quality voice transmissions, use ZyWALL/USG provides Bandwidth Management (BWM) function to effectively manage bandwidth according to flexible criteria. This is an example of using Application Layer Gateway (ALG) to allow the SIP (Session Initiation Protocol) voice traffic through the ZyWALL/USG.

Zyxel usg flex