Yealink SIP T4 (U) Series.
eBay
SIP Protocol: SIP 2.0 (RFC3261). DTMF: RFC 2833 SIP INFO. Support: 2 Way SIP Account. Support: SIP UDP TCP TLS. WIFI: IEE802.11b g n Support. High Definition Calling: Desk phone supports for Volte HD calling, no need to have a microphone close to your ear to enjoy high definition sound quality.
eBay
Yealink T42G VoIP Phone with Gigabit pass through switch.
eBay
STARLITE DIAL PHONE MODEL GTE BY SIP FROM THE 70s.
eBay
It also supports wired headsets via RJ9 and Yealink EHS adapters for compatible wireless headsets (adapter required). ✅ Supports multiple SIP accounts (T27P series). ✔️ Yealink SIP-T27P IP Desk Phone (New).
eBay
The Yealink SIP-T53W is a professional-grade IP phone designed for busy executives and professionals. With built-in Bluetooth 4.2 and dual-band 2.4G/5G Wi-Fi, it ensures seamless wireless connectivity.
eBay
Condition: New. Missing Information?. Release Date: 2024-05-03. Catalogue Number: 6938818303188.
eBay
Available Mini Collection of 27 different time slots in Lotto at an attractive price SIP "time slot" Golden n ° 36 New telephone card Company: SIP Conditions: excellent Magnetic but stamped by SIP The photo is indicative because of each card I have several quantities But you will receive a card in the same identical conditions as the one in the photo Shipments: Registered mail Italy - € 7.55 (traceable) International registered mail - € 12.00 (traceable) FEEDBACK: Feedbacks are a form of guarantee and/or reference important from both sides, both for the seller and for the buyer. To encourage their use, ours will be released immediately after receiving them. .
eBay