What is the Yealink SIP-T21P-E2?
This entry-level IP phone, which supports Power over Ethernet (PoE), has two VoIP accounts, and HD voice. It is meant for business communication.Does the Yealink SIP-T21P-E2 support Power over Ethernet (PoE)?
It is compatible with IEEE 802.3af PoE, which enables the phone to be powered by an Ethernet connection.How many SIP accounts can the Yealink SIP-T21P-E2 support?
It supports up to 2 SIP accounts.Does the phone have HD voice quality?
Yes,it provides HD speech for crystal-clear communication on both the speakerphone and the handset. What type of display does the Yealink SIP-T21P-E2 have?
It features a 132x64-pixel graphical LCD with backlight.Is the phone compatible with major VoIP platforms?
Yes, it is certified and works with a number of well-known VoIP platforms, including Asterisk, Broadsoft, and 3CX.Does it support headset connectivity?
Yes, it has an RJ9 headset port for wired headsets.Does the phone support call hold, transfer, and conferencing?
Call hold, attended/unattended call transfer, and three-way conferencing are all supported.Does the Yealink SIP-T21P-E2 support speakerphone functionality?
Yes, it has a full-duplex speakerphone with HD voice.What audio codecs are supported?
It supports G.722 (wideband), G.711(A/μ), G.729, G.726, and iLBC.Does it support voicemail?
Depending on your VoIP provider, it does include voicemail capability and a message waiting indicator (MWI).Does the Yealink SIP-T21P-E2 support dual Ethernet ports?
Yes, it includes 2x 10/100 Mbps Ethernet ports, one for network and one for PC connection.What security protocols does it support?
It supports TLS, SRTP, HTTPS, 802.1x, and AES encryption for secure communication. Does the phone support XML or custom applications?
Yes, it supports XML browser and action URL/URI for integration and customization. Is wall-mounting possible with this phone?
With an optional wall mount kit, the Yealink SIP-T21P-E2 can be installed on the wall or on a desktop.What languages are supported by the phone?
English, German, French, Spanish, Portuguese, Russian, Italian, Polish, and more are among the languages it supports.What makes the SIP-T21P-E2 different from the previous T21P model?
Compared to the original model, the E2 version has a better user interface, a backlit LCD display, and increased durability.How do I factory reset the Yealink SIP-T21P-E2?
Press and hold the OK button for 10 seconds, then confirm the reset when prompted. How do I access the phone’s web interface?
Locate the IP address of the phone (Menu > Status), then type it into a web browser to log in using the default login information (admin/admin).What is the default admin password?
The default username and password are both admin, unless changed by your provider.
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