Skip to main content
CallTower Solutions Center

Cisco - Phone: 89XX Series Joining Calls


If you need to join two active calls together, follow the steps below. (Line button > Conference button > Line button)

Case Disposition:

Case Record Type: Support Standard

Type: Problem

Product: Cisco

SubProduct: Hardware

Issue: 89/99xx

Sub Issue: Other

Other Issue: Joining Calls

Priority: Priority 4

Severity: Low

Department: Support



1. After receiving a second call while already on a call, press the Line button next to the incoming call to place caller 1 on hold and answer the second call.


2. While speaking to caller 2, press the Conference button.


3. Press the Line button next to the call that is on hold, joining the two calls together into one conversation.

  • Was this article helpful?