GS1900-24 24-port GbE Smart Managed Switch with GbE Uplink.GS1900-24HPV2 Smart Managed 24 Port POE+ Switch.GS1900-24EP 24-port GbE Smart Managed Switch.GS1900-24E 24-port GbE Smart Managed Switch.GS1900-16 16-port GbE Smart Managed Switch.GS1900-10HP 8-port GbE Smart Managed PoE Switch with GbE Uplink.GS1900-8HP 8-port GbE Smart Managed Switch.GS1900-8 8-port GbE Smart Managed Switch.GS1350-26HP 24-Port Gigabit PoE+ L2 Web Managed Switch.GS1350-18HP 16-Port Gigabit PoE+ L2 Web Managed Switch.GS1350-12HP 8-Port Gigabit PoE+ L2 Web Managed Switch.GS1350-6HP 5-Port Gigabit PoE+ L2 Web Managed Switch.Umanaged Gigabit and Multi-Gig Switches.Since the ZyWALL USG-20 has a very similar interface, the instructions below apply to the ZyWALL USG-20 as well.ĭetailed instructions are available from ZyXELL here ( see page 56, ZLD Configuration). If you are using Cisco phones, you need to disable SIP ALG. If you are using Poly phones with your ZyXELL ZyWALL, you need to enable SIP ALG. In the case of the ZyXELL ZyWALL USG-50, we want to The goal of configuring any router or firewall for use on 8x8 service is to prioritize VoIP traffic on your network and achieve optimum call quality. While this device may be fully functional on the tested and/or current firmware version, it is possible newer revisions will cause disruptions in service or make a device fully compliant with the required settings for hosted VoIP services where it was previously not. Keep in mind different firmware versions will interact with hosted VoIP services in different ways. At the time of article creation, this device was in a known working state on the firmware used. The purpose of this article is to provide a sample configuration. To change the UDP Session Time Out value.

Zywall