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Message Waiting Indication (H.450.7)
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SPCP
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by Protocol
ARP
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by Codec
CNG (Comfort Noise Generation)
G.711a
G.711u
G.722
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by Additional Features
Built-in NAT Router
Caller ID Presentation
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Ringtones: True Tones
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Headset/ Handset: 2.5mm jack
Headset/ Handset: RJ-7
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$97 - $151
$151 - $205
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Cisco SPA502G IP Phone
IP Phone, VoIP - SIP, SPCP, Interface:2 x Ethernet 10Base-T/100Base-TX, Codecs - G.723.1, G.729A, G.722, VAD (Voice Activity Detection), CNG (Comfort ...
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$45 - $159
from 9 stores
Cisco SPA504G IP Phone
IP Phone, VoIP - SIP, SPCP, Interface:2 x Ethernet 10Base-T/100Base-TX, Codecs - G.729A, G.722, VAD (Voice Activity Detection), CNG (Comfort Noise ...
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$99 - $255
from 9 stores
Cisco SPA508G IP Phone
IP Phone, VoIP - SIP, SPCP, Interface:2 x Ethernet 10Base-T/100Base-TX, Codecs - G.729A, G.722, VAD (Voice Activity Detection), CNG (Comfort Noise ...
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$115 - $205
from 6 stores
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