There are many kinds of Line Phone System and one of them is the RCA 25825 8-Line Corded Business Phone with Digital Answering System, available in Black and Silver. 8-Line phone have a requirement of RCA 25801 router for operation a Built-in Digital Receptionist can manage any calls 24/7. The system includes after-hours greetings, a dial-by-name directory and many more. Set up a virtual conference room with ease and comfort.

Built-in speakerphone lets users talk hands-free. Intercom lets users call other users in the office without any tying up phone lines. There is also a caller ID/Call waiting-compatible to let users know who's calling before they pick up. Service required from a local phone company. 16 speed dials help users and consumers save time and effort. Music-on-hold gives a small business a large office feel.

Another brand is the 824 units can be further extended with the use of the M12X0 and also M0X16 as long as users have the expansion card. A 6 port Copper Expansion card that will allow users to add on up to 6 of the M0X16 and M12X0; NT5B26GA with 2 port Copper Expansion card that will allow users add on up to 2 of the M0X16 and M12X0. There are fibber which is newer, Copper is much older. If users have a copper expansion card then they must use Copper M12X0 or Copper M0X16, if they have a fibber expansion card then they must use fibber M12X0 and fibber M0X16.

Each M12X0 adds on 12 incoming lines and each M0X16 adds on up to 16 more M7000 series telephones like the Meridian M7310 telephone set. The DKT 3014SDL is a cool digital multi-line, speaker telephone with a very large Liquid Crystal Display that has 8 lines by 24 characters LCD. The DKT 3014SDL has 14 flexible selection buttons which can be used as programmable features or lines.

There many telephone system that are designed for the small up to medium sized business and industries, the Norstar 824 or NT5B20 is made and pre configured for 8 lines and with 24 telephones and can be stretched and expanded to 80 lines or 120 stations or a combo of the 2. Norstar Flash Voice Mail with 24 Mailboxes the best and revolutionary solid-state answer and solution for intelligent voice processing coming from Nortel. It's specially made and designed to work with a Norstar business communications system.

The Norstar M7310 8 line phone system is capable of handling bigger and extensive calling and call handling needs and requirements. The 12 dual-function and significant memory buttons, along with a Shift button, give and provide access to a total of 24 plus additional frequently-used features or users can say autodial numbers. The Norstar M7208 6 line phone and give and provides 8 programmable buttons and a 1-line by 16-character useful LCD Window.

Consumers will receive the following telephone system: Nortel MICS KSU that will allow 4 lines and up to 32 phones QTY 5--M7310 phones in Black. Another one is the Nortel 7310 / Nortel M7310 Telephone (Norstar 7310 / Norstar M7310) NT8b20. Nortel Meridian M7310 Phone can give and allows up to 6 lines, and has also a 10 programmable buttons.

The Meridian M7310 has a max of 12 dual function auto dial buttons found at the top right of the phone. The Meridian M7310 phone has a 2 line LCD screen which displays info such as the date and if there is any voice mail message. The Nortel M7310 also has a volume control button that can be located on the bottom of the phone.

The Nortel Meridian M7310 phone comes in black and gray. Nortel Meridian MICS Business Phone System: Nortel Norstar MICS Phone System, Comes with low software, Comes ready to support 4 telephone lines, Comes ready to support 32 telephones, Can be expanded further if needed, Nortel - Norstar NTNT5B20, Refurbished.