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About us

Founded in 2001, Yealink, the global TOP 3 SIP phone provider and a leading provider of VoIP Phone and IP communication 
solutions, has been focusing on VoIP products characterized by reliable quality, easy deployment and affordable price for more 
than a decade. Today, customers from over 140 countries rely on Yealink as the backbone of global collaboration to extend the 
value of network communications.

More about Yealink

Since 2001, Yealink has continued to develop state-of-the art, hi-tech VoIP communication terminals that include IP video 
phones, IP phones and USB phones. With a worldwide market in more than 140 countries, the company has also established 
a first-class international service network.

Our priorities are quality, functionality, ease-of-use, customer support and competitive pricing. To provide new solutions for the 
future in this fast-evolving sector, Yealink’s large, talented and highly-experienced VoIP R&D team is totally committed to the 
pursuit of excellence.

To date, we have passed more than 80 interoperability tests and meet certification requirements set by leading VoIP system and 
platforms. Yealink works in close partnership with T-Mobile, Telefonica, Portugal Telecom and other leading telecommunication 
service providers.

YEALINK NETWORK TECHNOLOGY CO., LTD.           Email: [email protected]            Web: www.yealink.com

Содержание SIP-T21 E2

Страница 1: ...Quick Start Guide V80 1 www yealink com Applies to firmware version 52 80 0 1 or later SIP T21 E2 T21P E2 Enterprise IP Phone...

Страница 2: ...your system administrator Packaging Contents Assembling the Phone Note The headset should be purchased separately 2 Connect the handset and optional headset as shown below 1 Attach the stand as shown...

Страница 3: ...he power adapter Make sure the hub switch is PoE compliant After the IP phone is connected to the network and supplied with power it automatically begins the initialization process After startup the p...

Страница 4: ...tion provided by ITSP required It is shown as Caller ID when placing a call It is shown on the LCD screen to identify the account You can select Enabled Disabled to enable disable the account It shows...

Страница 5: ...g the HEADSET key the Speakerphone key or by picking up the handset Headset mode requires a headset connected Note You can reject an incoming call by pressing the Reject soft key Call Mute and Un mute...

Страница 6: ...3 Press or the Tran soft key when you hear the ring back tone 3 Enter the number you want to forward to For No Answer Forward press or to select the ring time to wait before forwarding from the After...

Страница 7: ...ft key to delete the entry from the list 2 Select an entry from the list you can do the following To add a contact To edit a contact To delete a contact 1 Press the Dir soft key when the phone is idle...

Страница 8: ...and USB phones With a worldwide market in more than 140 countries the company has also established a first class international service network Our priorities are quality functionality ease of use cus...

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