Report copyright - EZIVR-7000 SIP IVR/FAX 應用伺服器 · ezivr-7000 sip ivrfax 功能 支援 ipv4 與ipv6 網路 支援 sip rfc 3261/2543 支援 g.711, g.729a*, g.722, gsm 語音壓縮 支援 t.38
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