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Single-Line IP Telephony Made Easy
Additional features of the Cisco SPA901 IP Phone include:
- Small size and affordability in a business-class IP phone
- The ability to connect directly to an Internet telephone service provider or to an IP PBX
- Options for wall-mount and tabletop use
- Easy station moves and shared line appearances across local and geographically dispersed locations
- Standard encryption protocols to provide secure remote provisioning and unobtrusive in-service software upgrades
- Detailed performance measurement and troubleshooting
Additional Documentation
User Guides, Release Notes, and Support Information
Data Sheets and Literature

Data Sheets

(All Cisco Small Business IP Phones Data Sheets)

Q&A

(All Cisco Small Business IP Phones Q&A)

(All Cisco Small Business IP Phones Data Sheets)
Q&A
(All Cisco Small Business IP Phones Q&A)
Configuring an SPA9XX phone for voicemail service

Configuring Shared Line Extension on SPA9xx Series Phones

Configuring Static IP address for SPA901

Cordless Internet Telephony Kit Busy Tone

Determining if the Unit is Defective

Determining if the Unit is Defective

Encountering Bad Audio Quality when Using the Cordless Internet Telephony Kit

Encountering Difficulties Getting a Dial Tone when Pressing the Talk & Recall Button on the Cordless Internet Telephony Kit

Encountering Difficulties Making a Call to a Regular Phone Number Using the Cordless Internet Telephony Kit

Encountering Difficulties Making or Answering a Second Call on the Landline

Encountering Difficulties Retrieving Contact List Using the Cordless Internet Telephony Kit

Encountering Difficulties Viewing the Caller ID on the Landline

Encountering Difficulties when No Dial Tone is Heard when Pressing the Call Button of the Cordless Internet Telephony Kit

Encountering Difficulties when the Screen Display Doesn't Appear After Powering On the Cordless Internet Telephony Kit

Encountering Flashing Base/Handset Icon on the Cordless Internet Telephony Kit

Encountering Poor Audio Quality

Encountering Problems Retrieving the Contact List Using the Cordless Internet Telephony Kit

Encountering Problems when Unable to Make Calls to a Regular Telephone Number Using the Cordless Internet Telephony Kit

Encountering Problems with Clarity and Volume when Using the Cordless Internet Telephony Kit

Experiencing buzzing sound when speaking through the SPA901 handset

Experiencing Difficulties with the Voicemail Indicator

Experiencing One Way Audio on the SPA901

Explaining Dial Plan

Explaining Dial Plans

Explaining the Different Dial Plans

Features of the SPA901

Getting to Know Dial Plans

Getting to Know Dial Plans Sequences

How to transfer call using SPA901

Identifying the Factors that Affect Voice Quality

Identifying the Factors that Affect Voice Quality

Initial configuration

Initiating Call Waiting on SPA901

LCD Problem on SPA9XX Phone

LED Status lights of the SPA901

Power issues on the SPA901

Registering IP Phones and ATA Devices on the LAN and WAN Side

Resetting SPA2100

Resetting the IP Phone to Factory Default

Resetting the SPA901

Routing a call to PSTN

Running a Syslog on SPA Devices

Set up SPA9xx behind NAT

Setting-Up Static IP Address on the IP Phone

Setting-Up the Cordless Internet Telephony Kit

SPA9xx Series Phone Experiencing Reboots

SPA9xx Set up behind NAT and Experiencing Voice Problem

Troubleshooting SPA Device: faq

Upgrading Firmware of SPA9xx Series Phone

Configuring Shared Line Extension on SPA9xx Series Phones
Configuring Static IP address for SPA901
Cordless Internet Telephony Kit Busy Tone
Determining if the Unit is Defective
Determining if the Unit is Defective
Encountering Bad Audio Quality when Using the Cordless Internet Telephony Kit
Encountering Difficulties Getting a Dial Tone when Pressing the Talk & Recall Button on the Cordless Internet Telephony Kit
Encountering Difficulties Making a Call to a Regular Phone Number Using the Cordless Internet Telephony Kit
Encountering Difficulties Making or Answering a Second Call on the Landline
Encountering Difficulties Retrieving Contact List Using the Cordless Internet Telephony Kit
Encountering Difficulties Viewing the Caller ID on the Landline
Encountering Difficulties when No Dial Tone is Heard when Pressing the Call Button of the Cordless Internet Telephony Kit
Encountering Difficulties when the Screen Display Doesn't Appear After Powering On the Cordless Internet Telephony Kit
Encountering Flashing Base/Handset Icon on the Cordless Internet Telephony Kit
Encountering Poor Audio Quality
Encountering Problems Retrieving the Contact List Using the Cordless Internet Telephony Kit
Encountering Problems when Unable to Make Calls to a Regular Telephone Number Using the Cordless Internet Telephony Kit
Encountering Problems with Clarity and Volume when Using the Cordless Internet Telephony Kit
Experiencing buzzing sound when speaking through the SPA901 handset
Experiencing Difficulties with the Voicemail Indicator
Experiencing One Way Audio on the SPA901
Explaining Dial Plan
Explaining Dial Plans
Explaining the Different Dial Plans
Features of the SPA901
Getting to Know Dial Plans
Getting to Know Dial Plans Sequences
How to transfer call using SPA901
Identifying the Factors that Affect Voice Quality
Identifying the Factors that Affect Voice Quality
Initial configuration
Initiating Call Waiting on SPA901
LCD Problem on SPA9XX Phone
LED Status lights of the SPA901
Power issues on the SPA901
Registering IP Phones and ATA Devices on the LAN and WAN Side
Resetting SPA2100
Resetting the IP Phone to Factory Default
Resetting the SPA901
Routing a call to PSTN
Running a Syslog on SPA Devices
Set up SPA9xx behind NAT
Setting-Up Static IP Address on the IP Phone
Setting-Up the Cordless Internet Telephony Kit
SPA9xx Series Phone Experiencing Reboots
SPA9xx Set up behind NAT and Experiencing Voice Problem
Troubleshooting SPA Device: faq
Upgrading Firmware of SPA9xx Series Phone