Phones Pro network recommendations and setupLast updated on 03/22/2022

• Dialpad does not support virtual private networks (VPNs). If your company uses a VPN, set up a split tunnel and direct Dialpad traffic outside of the VPN.

• You can use a virtual LAN (VLAN) for managing security and routing policies. You can also use a voice VLAN for security purposes. Note: You are required to set up a voice VLAN when workstations are linked together through IP phones.

• For better voice quality, we recommend using either a high-speed DSL, cable, or fiber-optic connection with dedicated upload and download bandwidth for the voice of at least 100 kilobits/second for each voice line you plan to run.

Wired connections provide the best quality experience. Your network should use cabling that meets the network speed specifications.

If you use a wireless connection, be aware of the following issues:

• Physical obstructions

• Channel congestion

• Electromagnetic interference

• Multiple Wi-Fi bandwidth frequencies

• Type of frequency for wifi connection

Phones Pro supports network routers, switches, and firewalls. Make sure your network hardware supports the following features:

• Quality of service (QoS)

• Bandwidth limiting

• Simple Network Management Protocol (SNMP)

We recommend turning off the following features:

• Session Initiation Protocol Application Layer Gateway (SIP-ALG)

• Deep Packet Inspection (DPI)

• Stateful Packet Inspection (SPI)

Enable QoS

For supported routers, you can configure QoS settings based on:

• Application (RTP/SIP)

• Application and port (RTP over UDP)

• Destination port

• Combination of the options listed above

FQDNs

Routing to a Fully Qualified Domain Name (FQDN) allows modern Cloud Networks flexibility for Routing, Security, System Maintenance, and remote Device management.

Dialpad uses FQDNs for:

• Registration

• Exchanging SIP to set up a call

• Managing Device Firmware

• Managing Device Configurations

• Managing Devices remotely

Dialpad recommends the following FQDN:

• dialpad.com

• www.obitalk.com

• www1.obitalk.com

• prov.obitalk.com

• devpfs.obitalk.com

• storage.googleapis.com

• ubervoice.ubervoip.net

• turn.ubervoip.net

• stun.l.google.com

• uvwss.ubervoip.net

• legacy.dialpad.com

• dialpadcdn.com

• static.dialpadcdn.com

• prov*.dialpad.com

Note: You can view Dialpad's traffic flagged with Differentiated Services Code Point (DSCP) markings (for example, DSCP 46 = RTP Traffic).

See the list below for recommended ports and portals:

Desktop native, mobile, and browser applications:

Poly desk phones (Obi-Edition and UCS):

Open ports

Use the following ports to exchange data, register, and exchange media with Dialpad servers:

Open the following ports for Obihai and SIP Phones:

Note: If you have outbound port restrictions, make sure you have Port 10000 to 20000 open under Protocol UDP/TCP.

• Visit ServiceTitan Academy to enroll in Phones Pro Essentials for Office Users

• See Phones Pro