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Yealink

The Yealink T19PN – now in stock and available exclusively from ProVu

SARK 200 with Sangoma Vega 50 gateways

The new Yealink T19 entry level phone is now available to order exclusively from ProVu. More info on the T19

This model set to break new ground in terms of features and value for money. With a suggested retail price of just £49.99 the T19 has all the most commonly used features required for office use, including:

*High quality 132 x 64 pixel LCD display with grayscale
*Dual Ethernet ports
*POE support
*Full duplex hands-free speakerphone
*2 Year Warranty

**Cost Effective Solution**
We firmly believe with this excellent feature set plus 2 year warranty the T19 is the most cost effective IP handset available and is the ideal choice for those large scale projects and busy working environments such as call centres.

Product data sheets and images are available here: http://www.provu.co.uk/yealink-t19pn.html

**ProSys Ready**
Trade pricing and stock availability is available on ProSys our reseller portal. If you do not have a ProSys login or have forgotten your password please email contact@provu.co.uk

If you require further information or have any queries regarding the T19 please speak to the Sales Team on 01484 840048.

The ProVu Team

Yealink compatible headsets

Yealink have produced a very handy document, listing compatible DECT / wireless, wired and bluetooth headsets for their range of IP desk phones.

There is a wide selection of tested headsets from the leading headset manufacturers including Plantronics, Sennheiser and Jabra. The document outlines which adaptors and cables are required for compatibility.

http://www.yealink.co.uk/files/Yealink_Website/Technical_Docs/Tested_headset_list_compatible_with_yealink_phone.pdf

ProVu stock a wide range of headsets. Ask our sales team for more information.

New Yealink T4X range, Available Now at ProVu

Yealink T4X

ProVu are excited to announce the launch of the new T4 series range of IP phones from widely recognised manufacturer, Yealink.

The T4 series offers the industry’s latest telephony features combined with intuitive user-interfaces, easy to use BLF keys, superior quality audio and large clear mirror style display screens.

The T4 series revolutionary design not only applies to the quality of its telephony but also to its attractive and stylish looks making it an ideal choice for the discerning user.

These sleek and elegantly designed handsets all feature a full-duplex speakerphone and Yealink’s Optima HD voice system providing rich, clear, life-like audio. Plus, the days of messy paper inserts are finally over, all the three models have between 6 & 10 BLF keys that can scroll to 3 pages, providing functionality for up to 27 buttons.

The phones also represent a sensible investment, with the T42G and T46G supporting POE with dual Gigabit Ethenet ports. The T41P also features PoE support but is designed for the more cost-efficient 10/100M Ethernet networks.

T4XX Features
The T42GN and T46GN are in stock now and the T41PN is expected to arrive in September.

If you have any questions please speak to the Sales Team on on 01484 840048 or send an email to contact@provu.co.uk

How to: Connect a Plantronics CS540 with a Yealink Phone

This is a step-by-step guide of how to successfully connect a Plantronics CS540 to a Yealink SIP phone (Compatible with T26P, T28P, T38G).

You should have:
– Plantronics CS540 Headset
– Yealink Handset with EHS capabilities
– Yealink EHS36 adapter.

(For a full list of headset and phone compatibility please view our headset compatibility chart)

The image below shows the contents of each box that will be required for this setup. They have been labelled for ease of idenitification and grouped according to which box you will find them in -see the key below.

Green – Yealink T38G Box
Yellow – Yealink EHS36 Box
Red – Plantronics CS540 Box

Step 1:
Once you have the correct parts ready, the next step is to connect the 3.5mm cable from the Plantronics base unit, to the EHS36 box. You can’t really go wrong here as they will only fit into one slot on each unit, but the picture below highlights where to connect them.

Step 2:
Connect the RJ12 cable from the EHS36 box to the EXT port on the back of the T38G. This port should be clearly labelled on the phone. See the picture below for illustration.

Step 3:
Connect the Plantronics RJ11 cable from the base unit to the Headset port on the back of the T38G. This port is labelled with a small headset icon, it is located next to the Receiver port, please make sure these are put into the correct slots. Again, the picture below shows how they should be connected.

That’s it! Power up the phone and the Plantronics base if you have not done so already. If this is a new purchase please allow a short time for the headset to charge before use. To charge simply place it onto the base in the very obvious slot.

If you have any problems after following this guide, please email support@provu.co.uk with details of your issue and a member of the technical team will be happy to advise.

Yealink Remote Control features

In an automated environment, it can be useful to control things without having to physically interact with them.

I refer, of course, to having to exert my energy on reaching to dial a number on my phone. You might well save yourself these exertions on a daily basis, so you can thank me later.

Here’s an example of dialling a couple of pleasant fellows:

http://user:pass@10.10.11.100/cgi-bin/ConfigMa
nApp.com?number=118118

If you try this on a more recent firmware, you may find that it doesn’t appear to do anything. Confusing at first but it seems there was a firmware change made for security purposes (can’t complain at that but it would be nice if the phone gave a 403 response when it does fail though!)

You now need to tell the phone what IP addresses to trust. If you web browse onto the Phone>Features page, you can find a text box labeled along the lines of “Trusted Action URI Server List”. You need to enter the IP addresses that the phone expects to receive requests from, as a comma-seperated list eg. 10.10.11.200,10.10.11.201

The first time the phone receives a remote request from one of these addresses, the phone does prompt you on screen to allow or reject the request (sorry.. you need to press the buttons this time!). I haven’t seen any subsequent prompts to confirm my consent.

If you want, you can also trigger key presses remotely:

/cgi-bin/ConfigManApp.com?key=OK
/cgi-bin/ConfigManApp.com?key=1
/cgi-bin/ConfigManApp.com?key=2
/cgi-bin/ConfigManApp.com?key=3
/cgi-bin/ConfigManApp.com?key=CANCEL

Isn’t that just great? You can build this into your CRMs or whatever else you can think of.

If you don’t have a Yealink phone to hand, you can browse the range: http://www.provu.co.uk/yealink.html

Now go and have some fun!

Yealink “Ultimate SIP Starter Pack” half price promotion

Offer has expired

The Ultimate Yealink SIP Starter Pack

As advertised in March’s edition of Comms Business magazine we are pleased to offer our resellers the opportunity to take up “The Ultimate SIP Starter Pack” half price promotion. This is strictly one pack per reseller and would be ideal as a starter/demo kit. The starter pack consists of:

T20PN Office SIP handset

T26PN Executive SIP handset

T32GN Colour display SIP handset Gig-E

T38GN Advanced colour display handset Gig-E

YHS32 Noise cancelling business headset

Take note that PSU’s are not supplied.

The Ultimate SIP Starter Pack (partcode: Yealink-USP) is available to order now via ProSys our Reseller portal. If you have not been assigned a ProSys Username and Password request one by emailing contact@provu.co.uk or by calling the Sales Team on 01484 840048.

New low cost Yealink T20E available exclusively from ProVu

T20E banner

ProVu are pleased to announce the arrival of the new low cost Yealink T20E IP phone.

We believe this model is one of the most competitively priced quality IP phones available. It has all the same functionality of the popular T20P model including the same Auto Provisioning engine. However, as there is no POE support we are able to bring it to market at an even lower price (includes a UK PSU).

The T20E is the ideal phone for those opportunities where the budget is really tight and is perfect for call centres where the key is to supply a low cost robust and reliable phone.

Please note ProVu Communications Ltd are a trade only distributor. All pricing is available on ProSys, our Reseller portal. If you are an ITSP, telecoms retailer or telephony system installer sign up to become a ProVu reseller.

Yealink T26P, T28P and T38G now interoperable with Sennheiser Wireless Headsets


The Yealink EHS36 wireless (electronic hook switch) headset adaptor is now compatible with the high quality headsets in the Sennheiser DW Office DECT range. Meaning that there is now more choice of Wireless headsets to use with the T26P, T28P and the T38G.

Find out more about the Sennheiser products: www.provu.co.uk/sennheiser

The Sennheiser-Y-Cable is required for compatibility between the headset and the phone, this cable will be included in all our current and future stock of the EHS36.

Wiring Diagram:

EHS36 wiring

Very secure Yealink provisioning coming soon

Just a quick note to say that I was supplied a specially modified version of a Yealink T28P a few weeks ago which has HTTPS certificates loaded into it.

There are two certificate chains, one is used by the provisioning server to verify the identity of the phone. The other is used by the phone to verify the identity of the server. There is a list of a few popular certificate signing authorities you can buy a certificate from for the server identity.

This two way identification is what is required for a truely secure provisioning system. It protects against attackers attempting to obtain SIP configuration from our servers and protects against DNS spoofing/poisoning attacks against your phones.

We sometimes get asked for HTTPS provisioning and of course it is pretty simple to implement. But without these certificates it is fairly useless. It does nothing to guarantee the identity of the server or the client.

At the moment this is a Beta test, we will be rolling out this provisioning option as soon as we can, in the next few weeks. It requires Yealink to start supplying phones with certificates pre-loaded at the factory and requires a certain (currently test-only) firmware version.

If any of this is of interest, please let us know.

Wall mountable phones

Post updated January 2022 to include new handsets

Recently we’ve been getting more and more enquiries as to which of our phones are wall mountable.

Wall mounting is perfect for corridors and communal areas such as kitchens and staff rooms. These are ideal to be used with SIP door entry phones, allowing you to answer the door even when you’re not sat at your desk.

I have put together a guide below outlining our range of wall mountable phones:

Brand Phones Mounting details
Yealink T18P, T19P, T21P, T20P, T22P and T32G Direct to back of the phone
Yealink T30P, T31P, T31G, T33P, T33G Direct to back of the phone
Yealink T27P and T29G T29WM Wall mounting bracket required
Yealink T40PN, T41P and T42G T42WM Wall mounting bracket required
Yealink T46G T46WM Wall mounting bracket required
Yealink T48G T48WM Wall mounting bracket required
Snom 300, 320, 360 and 370 By using the phones stand
Snom 821 and 870 Wall mounting bracket required (Snom-800Wall) available in light grey and black
Snom 710, 720, 760, D710, D712, D715, D725, D765 Using Snom Wall Mounting Bracket for 700 Series Phones (00003820)
Aastra 30i, 31i, 35i, 37i, 39i, 55i and 57i Wall mounting bracket included
Cisco 301G, 303G, 502G, 504G and 525G2 Wall mounting bracket required (MB100)
Cisco 7811 Wall mounting bracket required (CP-7811-WMK)
Cisco 7821 and 7841 Wall mounting bracket required (CP-7800-WMK)
Cisco 7861 Wall mounting bracket required (CP-7861-WMK)
Cisco 8811, 8841, 8851 and 8861 Wall mounting bracket required (CP-8800-WMK)
Cisco 8845 and 8865 Wall mounting bracket required (CP-8800-VID-WMK)
Gigaset Maxwell 3 and Basic Wall mounting bracket required (S30853-H4032-R101)
Gigaset Maxwell 10 Wall mounting bracket required
Gigaset DECT A510H, A540H, C300H, C430H, C610H, E49H, R410H, R630H, S510H, S650H and S810H Direct to the back of the cradle
Gigaset DE310 and DE410 Wall mounting bracket included
Gigaset DECT N300IP, N510IP Direct to back of base station
Panasonic KX-UT113 and KX-UT123 Requires wall mounting kit (KX-A432-B)
Panasonic KX-UT133 and KX-UT136 Requires wall mounting kit (KX-A433-B)
Panasonic KX-HDV130 Requires wall mounting kit (KX-A440XB)
Panasonic KX-HDV23 and KX-HDV330 Using bracket provided
Panasonic KX-TPA65 Requires wall mounting kit KXA440XB
Polycom SoundPoint IP 32x/33x and 430 phones Using the reversible base stand/wallmount unit (included with phone)
Polycom SoundPoint IP 450 Requires wall mount kit (2200-11611-002)
Polycom SoundPoint IP 550, 560, 650, and 670 Requires wall mount kit (2200-12611-001)
Polycom VVX 101, 201 Reversible deskstand/wallmount (comes with phone as standard)
Polycom VVX 300/310, 300/410, 500 and 600 Requires wall mount kit (2200-44514-002)
Mitel 6863, 6865,6867 and 6869 Requires wall mount kit (80C00011AAA-A)
VTech VSP715A, VSP725A and VSP735A Direct to back of phone
VTech VSP600A Using bracket provided
VTech VSP601A Direct to the back of the cradle

Phones that cannot be mounted to the wall: SL750H, DE700IP PRO, DE900IP PRO, DX800a, SL400H, SL610H PRO, T26P, T28P and the T38G.