Recommended SIP Desk Phones

Set up my phone system1 min readUpdated 2026-03-14

Recommended SIP Desk Phones

JustCall works with any SIP-compatible desk phone. Here are three recommended options for different needs.

Available on: All plans


Grandstream GXP2170 — Power user

  • 12 lines, 6 SIP accounts
  • 4.3" color LCD display
  • Bluetooth and USB ports
  • 48 BLF (busy lamp field) keys
  • Best for teams with high call volume
  • 16 SIP accounts
  • Dual Gigabit Ethernet
  • 4.3" color display
  • Optima HD voice quality
  • Strong balance of features and value

Grandstream GXP1625 — Budget option

  • 2 lines
  • HD audio
  • Dual 10/100 Mbps Ethernet
  • Integrated PoE (Power over Ethernet)
  • Best for small teams or basic desk phone needs

SIP server details

All JustCall SIP desk phones connect to:

SettingValue
SIP Serverjustcallv1.sip.us1.twilio.com
Port5060 (or 5061 for TLS)

SIP credentials are generated from the Phone Number Settings section in JustCall.


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