How do I choose a VoIP phone?
The first choice is determining if you want a hardware VoIP phone or a software VoIP phone.
Hardware phones are generally easier to use and do not require a PC. Software phones are usually less expensive and may offer better options for CTI (Computer Telephony Integration).
Choosing a VoIP Phone
With either a hardware or software VoIP phones, the major considerations remain the same:
- What VoIP call control protocols does the phone support?
- What VoIP codecs does the phone support?
- G.711
- G.722
- G.723
- G.726
- G.727
- G.728
- G.729
- ILBC
- Speex
- GSM - Full Rate
- GSM - Enhanced Full Rate
- GSM - Half Rate
- DoS FS-1015
- Does the phone support 3-way calling
- Does the phone support Do-Not-Disturb (DND)
- Does the phone support custom ringtones?
- Does the phone provide a method to work behind routers and NAT?
- Does the phone support STUN?
- Does the phone support Symmetric RTP?
- Does the phone support a SIP outbound proxy?
- Does the phone support QoS
- Does the phone support encryption?
Choosing a Hardware VoIP Phone
When selecting a hardware VoIP phone, you should consider these items:
- What connections does the VoIP phone support?
- Does the phone support IPv6?
- Does the phone support videoconferencing?
- Is the phone handset corded or cordless?
- Does the phone have a handset or a headset?
- Does the phone have a speakerphone?
- Does the phone have an LCD display?
- Is the LCD display backlit?
- Does the phone have good ergonomics?
- Do you like the style of the phones?
Choosing a Software VoIP Phone
If you choose a software VoIP phone, you should consider these items:
- Does the phone software support my Operating System?
- Is the phone software easy to use?
- Does the software support customizable skins?
- Does the software support videoconferencing?
- Does the software support shared whiteboarding?
And, of course, the final purchasing decision should always include price as a criteria.
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