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Other error messages and problems 

Problem:

   I lift the handset and hear nothing at all. 

Answer:   For connecting your telephone to the ATA please use only 
the enclosed phone cable TAE for the RJ11 (Western) adapter for most 
telephones (e.g. Siemens, AEG).  A direct connection does not function by 
normal RJ11-RJ11 cables, since the wiring differs.

Problem:

   I hear only a fast busy signal. 

Answer:   Please take the handset off of your telephone and press the 
button on your adapter.  Following the announcement, please press the 
keys „0“ and „2“ on your telephone. If you get a set of zeros announced 
over the handset, then make sure that your router is set to distribute IP 
addresses with DHCP. Please also make sure that your router or switch can 
support speeds in excess of 10 Mbit/s over an Ethernet connection (some 
old devices don’t support connections with 100 Mbit/s). 

Problem:  

I hear only a fast busy signal, but the distribution of IP ad-

dresses seems to work. If I take the handset off and press the button on 
the adapter and press keys „0“ and „2“, I get a IP address announced. 

Answer:   Please you make sure that you router has an active Internet 
connection (by trying e.g. from your computer to go to an Internet site). 
If this is the case, the references in the help box above and to the right 
should help. 

Problem:

   If I dial, it rings, but I cannot hear the other participant nor 

can they hear me. 
Answer:   This is a configuration problem of your router. The box above 
on the right contains further information to resolve this problem.

How you can eliminate these problems:

1. Activate the DMZ for the IP address of the telephone

The DMZ (Demilitarised zone) excludes a range of one or more IP addresses 
from all Firewall settings. Usually you can find the option DMZ in the menu 
of your router under “Firewall“, “Advanced Settings“, “WAN Settings“ or 
2Applications/Gaming“. Switch the DMZ on and register the IP address of 
your equipment. You may find out this address, by taking the handset off, 
pressing the large button on the ATA, then dialling “0“ and “2“ on your 
telephone.  Listen for the IP address.

2.  Switch off all packet filter and Firewall options 

With some routing problems, the first step is sufficient.  If not, try turning 
off your active packet filters.  Sometimes you must also change individual 
settings like “package filters“, “hacker defence“, “IP filter“ or similar set-
tings “Firewalls“. Switch these options off. 

3.  Port forwarding

Arranging port forwarding for the following ports: port 5060/UDP (SIP 
signalling), port 5004/UDP (RTP), port 10000/UDP (STUN). 

4.  UPnP

In case your router is UPNP (universal Plug and Play) supported, please try 
turning this option on and/or off.

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It rings on the opposite end, however you 

hear no voice when someone answers.

You can dial a number, but hear no ringing. As 

soon as someone answers, the line discon-

nects.

Your fixed-net number is not reachable.

The phone you called continues to ring, 

although you have already hung up.

You can dial but it doesn’t connect.

The connection is interrupted after 6 - 12 

seconds.

Also typical for some of these problems: They 

are not reproducible, but sometimes emerge 

only after hours or days.

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Configuration of your network

Should the equipment not function once everything has been put 
together or it has problems after some time, it is usually due to incorrect 
routing and/or firewall configurations:

Further references to the network configuration may be found in the de-
tailed operating instructions of the ATA 486 at: 

http://www.grandstream.com/user_manuals/HandyTone-486UserManual.pdf

 

or in the sipgate help centre at:

 http://www.sipgate.co.uk/faq/index.php

Problem:

   I can dial but I hear no dial tone.

Answer:   This is a configuration problem of your router. The box above 
on the right contains further information to resolve this problem.

Problem:

   I would like to access the Web configuration menu of the 

adapter for further configurations settings, how do I get the password?
Answer:   You may find the password on www.sipgate.co.uk under “my 
account”, „connection information“ / „SIP password“.

Your problem still cannot be solved?

Quick Start Guide

      Overview of the device functions

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Button: 

After you have attached the power, the button 

flashes for some seconds. Please do not interrupt this 
procedure, only after the light turns solid red, are you 
ready to use the adapter.  If you are called and your 
telephone rings, the light flashes.

3. Local area network: 

Used only 

if the ATA functions as a router. The 
white network cable attaches here 
and connects with your PC and/or 
other routers or switches. With the 

ATA as a client, this port remains empty.

1. Telephone: 

Attach your analogue telephone 

using the provided adapters TAE-RJ11.

5. Internet connection: 

After 

you have attached all other 
cables, attach the power pack 
adapter to this socket. 

4. Internet connection: 

This 

port connects your modem to 
your ATA router.

2. Telephone connection: 

You 

can also make a call during a 
power failure or an 
interrupted 
Internet 
connection 
over your 
normal voice 
grade telephone, by connecting the 
equipment here with an analogue 
phone line.

Lieferumfang

Included in delivery

Network-cable to connect router

Power cable 220V with adapter

Adapter GrandStream HandyTone ATA 486

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When the adapter starts, the large button on the top flashes red for approximately 30-50 
seconds. Your adapter is now operational. If you take your handset off, hear a dial tone 
and the button on the adapter lights up and stays on.

You are now reachable through your sipgate direct-inward dialling and can select differ-
ent sipgate participants, and/or free o8oo-Numbers in England, Austria, and Germany. For 
all other calls, you need credit in your sipgate.co.uk account.  You may do this by logging 
in with your login data under „account & billing“, and following the instructions. 

Only in exceptions: The ATA as a Client

Note: You should follow the installation hints on this 

page only if your ATA cannot start as a router for technical 

reasons. This case is very rare (VPN function of your past 

routers, routing by the provider only, modem has a router 

integrated already).

Internet

DSL Modem

your tele-
phone

Your Computer

Router

analogue plug as 
fallback option

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Attach the adapter with the enclosed white network cable to your Internet 

connection.

 Attach the cable on one end to a 10 a Mbit Ethernet port (e.g. at the 

DSL modem or router), and on the other end to the rear wall of the adapter in the 
WAN-port. Your router should be configured in such a way that it assigns an IP 
address automatically to the adapter by DHCP. 

Attach your old analogue telephone to the provided TAE adapter 

and put the 

other end into the socket marked phone on the back of the Grandstream ATA-486.

Attach the power pack and connect any PCs, switches or routers with the ATA-

486.

 Use the provided power pack and a RJ45 network cable!

How to user the ATA as a client behind a router

Sometimes you have to set the ATA as a client behind a router even though we recommend the use of 
the ATA as a router (see overleaf). If you your ATA must operate behind a router (e.g. within a company 
network), it must be configured as a client. You will find the appropriate guidance on this page. Please 
note that setting up the ATA as a router is a whole lot easier and we strongly recommend to do so.

Problems? Please note the next page!

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Configuration of your router 

Most older routers are badly prepared for the new 
possibilities of IP Telephony: Integrated Firewalls and 
package filters block important ports and packets. 
We recommend that you upgrade the firmware of 
your router to the latest release. This is frequently an 
English version. 
For advice on how to update your router’s firmware, 
please check the website of your router’s manufac-
turer.  Please remember to reboot your router after you 
upgrade your firmware.

2. Help Centre

If you still have questions, please consult the sipgate help centre 
under:

       

http://www.sipgate.co.uk/faq

If you do not find your question answered in the help centre, con-
tact our support team at [email protected]

1. User manual

You will find a detailed guide for your ATA486 under:

       

http://www.sipgate.co.uk/img/usermanual_ata486_E.pdf 

TIP!

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