Yeastar SO Module with 1FXO+1FXS. The Yeastar SO Module is compatible with MyPBX series and S-Series PBX and has a unique PSTN Fallback Function enabling you to make/receive calls even when system powers down
SIPMAX TECHNOLOGY GROUP | YEALINK HONG KONG & MACAU DISTRIBUTOR | Email: firstname.lastname@example.org | Hong Kong TEL: +852 2153 0231
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