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HD audio with Opus codec for crystal clear voice quality
It has the ability to control thousands of IP speakers and/or analog speakers
20 programmable physical keys
it's a dependable choice for standard desk phone needs
Grandstream HT813 Telephone Adapter Replacement Handsets HD audio with Opus codecThe HT813 is an analog telephone adapter that offers backup lifeline support using a PSTN line. It is designed in an ultra compact size that features HD voice quality, advanced VoIP functionality, high end security protection, and multiple auto provisioning options. These advanced features also allow service providers to offer high quality IP service to customers looking to upgrade to VoIP.
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