The HT813 is an analog telephone adapter that features 1 analog telephone FXS port and 1 PSTN line FXO port in order to offer backup lifeline support using a PSTN line. The integration of a FXO and FXS port enables this hybrid ATA to support remote... more
Best prices on Cordless phone, Grandstream, Adapter in Telephone Accessories online. Visit Bizrate to find the best deals on top brands. Read reviews on Electronics merchants and buy with confidence.