Tag: voip

Load SIP Firmware to Cisco 7900 IP Phones.

Introduction In this post we will learn how to upload SIP firmware to Cisco 7911 IP Phone. This will make possible using the phone with third party SIP servers. The instruction below applies to all Cisco 7900 series IP phones. Step 1. Download the SIP firmware. Before we start, let’s download the required SIP firmware

Cisco IP Phone Firmware Upgrade on CME.

Introduction This article show step by step how to upgrade the firmware of a Cisco IP phone managed by CME(Call Manager Express). I will be upgrading Cisco 8851 IP phone(from version 12-0-1-11 to 12-5-1SR3-74) using Cisco ISR4331/K9 router as a CME. Step 1. Download the firmware files The first thing we need to do is

Shared Lines in FreePBX.

Introduction In this post you will learn how to configure multiple IP phones with the same extension in FreePBX. This extension is usually called shared line, because it is shared by different devices. Using shared lines is very convenient when you have two or more devices and want to be able to answer the incoming

Cisco IP Phone “Host Not Found” error.

Introduction This post explains why you are getting “Host Not Found” error on your newly registered IP phone’s display and how to fix it. Why “Host Not Found” error? The reason you are getting this error is that when you autoregister a brand new IP phone, it attempts to take you through the self-provision wizard,

Cisco UCCX 11.5 + CUCM 11.5 Integration

Introduction In this article we will go through the integration process of UCCX (Cisco Unified Contact Center Express) 11.5 with CUCM (Cisco Unified Communications Manager) 11.5. The process will be similar for other software versions as well. CUCM side: 1. Enable AXL Web Service on CUCM Go to Cisco Unified Serviceability -> Service activation and

How to configure Native Call Queuing in CUCM ?

Introduction In this post we will go through the process of configuring Native Call Queuing in Cisco Unified Communications Manager 11.5. This allows us to have basic call queuing functionality with periodic announcements without implementing Cisco Contact Center Express/Enterprise. How to configure native call queuing? Below are the required steps to get Native Call queuing

Custom background image on Cisco IP Phone

Introduction This is a short article on how to create a custom background image on Cisco IP phone managed by Cisco Unified Communications Manager(CUCM). We will consider IP Phone Cisco 8851 and CUCM 11.5, but the provided instructions are applicable to any IP Phone managed by CUCM. Background Image Format The first thing we need

How to create a custom recording for IVR greeting in FreePBX?

Introduction In this short tutorial we are going to create a custom recording for IVR greeting. These recordings are called Announcements/System Recordings (these terms are used interchangeably) in FreePBX. Whenever you create an IVR application you select which audio file should be played back to the callers in Announcement field. How to create a custom

CallerID Lookup Source in FreePBX

How to display a name instead of CallerID for a call coming from PSTN CID Lookup Source is a feature that allows us to display names instead of CallerID numbers for incoming calls from PSTN. For example, you might want to add your colleagues’ names and cell phone numbers to the list, so when they