Yealink W57R can support you all the time, even on long workdays, as it features up to 40 hours of talk time and 575 hours of standby time. You can do more on a single charge!
DAG1000-1S/2S is a multi-functional analog telephone adapter which offers seamless connectivity between IP Telephony networks and legacy telephones (POTS), fax machines and PBX systems. The device pro