Best IP Phones - DNS Protocol, Call Hold (H.450.4) Supplementary Service

IP Phones Protocol: DNS Supplementary Service: Call Hold (H.450.4)

6 Call Hold (H.450.4) 6 Call Transfer (H.450.2) 6 Call Waiting (H.450.6) 4 Message Waiting Indication (H.450.7) 3 Name Identification (H.450.8)

6 Speaker 4 Mute 4 Voice Mail 3 Volume Control

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Fortinet FortiFone-350i IP Phone
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Grandstream GXP1400 HD IP Phone
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onsip.com

A full featured IP deskphone in the $40-$50 range
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Cisco SPA 303 IP Phone
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Cisco SPA525G2 IP Phone
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Cisco SPA504G IP Phone
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onsip.com

Excellent audio, quality Intuitive to use
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Cisco SPA508G IP Phone
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Best IP Phones - DNS Protocol, Call Hold (H.450.4) Supplementary Service

Fortinet FortiFone-350i IP Phone Check Offers

Grandstream GXP1400 HD IP Phone Check Offers

Cisco SPA 303 IP Phone Check Offers

Cisco SPA525G2 IP Phone Check Offers

Cisco SPA504G IP Phone Check Offers

Cisco SPA508G IP Phone Check Offers

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Guide

About

Fortinet FortiFone-350i IP Phone

Grandstream GXP1400 HD IP Phone

Cisco SPA 303 IP Phone

Cisco SPA525G2 IP Phone

Cisco SPA504G IP Phone

Cisco SPA508G IP Phone