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The serial DCD pin can be used to accurately detect a PPS signal, as described in RFC 2783: [1] One convenient means to provide a PPS signal to a computer system is to connect that signal to a modem-control pin on a serial-line interface to the computer. The Data Carrier Detect (DCD) pin is frequently used for this purpose.
Consumer Cellular offers low-cost, [22] no-contract monthly cellphone plans with simple cutoff points to offer flexibility. [23] Its cellphone selections include basic flip phones from Doro (of which the provider is the exclusive U.S. carrier) aimed toward seniors [24] as well as budget and premium Android smartphones from Motorola and Samsung.
What is Consumer Cellular? Consumer Cellular is a phone service provider that’s been around since 1995. It’s a preferred partner of the AARP and has been since 2008. It offers a huge range of ...
To activate Remote Access to Call Forwarding, a subscriber calls a provider-supplied Remote Access Directory Number, enters the telephone number of the line to be redirected along with a personal identification number (PIN), a vertical service code (such as 72# or *73) and the number to which the calls are to be forwarded.
If the wrong PIN is entered more than three times, the SIM card will become locked. It can be unlocked by entering the PUK code provided by the mobile service provider, [1] which may be available on the SIM card's packaging, the contract, or provided by customer service after identity verification. After the PUK code is entered, the PIN must be ...
Customers can port between prepaid and postpaid options. On porting IN, the recipient company provides, free credit and airtime. The service is handled by Pakistan MNP Database (Guarantee) Limited, [45] the joint venture of all the cellular companies of Pakistan. Number Portability Clearinghouse service is handled by iconectiv.
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In computer networking, a firewall pinhole is a port that is not protected by a firewall to allow a particular application to gain access to a service on a host in the network protected by the firewall. [1] [2] Leaving ports open in firewall configurations exposes the protected system to potentially malicious abuse.