Skip to content
  • Categories
  • Recent
  • Tags
  • Popular
  • World
  • Users
  • Groups
Skins
  • Light
  • Cerulean
  • Cosmo
  • Flatly
  • Journal
  • Litera
  • Lumen
  • Lux
  • Materia
  • Minty
  • Morph
  • Pulse
  • Sandstone
  • Simplex
  • Sketchy
  • Spacelab
  • United
  • Yeti
  • Zephyr
  • Dark
  • Cyborg
  • Darkly
  • Quartz
  • Slate
  • Solar
  • Superhero
  • Vapor

  • Default (No Skin)
  • No Skin
Collapse
Code Project
  1. Home
  2. General Programming
  3. C#
  4. Problem to Dial a number from COM port in C#.Net

Problem to Dial a number from COM port in C#.Net

Scheduled Pinned Locked Moved C#
csharphelpcomtutorialquestion
3 Posts 3 Posters 0 Views 1 Watching
  • Oldest to Newest
  • Newest to Oldest
  • Most Votes
Reply
  • Reply as topic
Log in to reply
This topic has been deleted. Only users with topic management privileges can see it.
  • L Offline
    L Offline
    lgauri
    wrote on last edited by
    #1

    I want to dial a number from COM port.I am using Nokia 6300 as a modem which is connected to USB port. Even though computer is accepting mobile as a modem i am getting error in port opening. Sample programs which i used to run application gives error "No phone is connected" or "Unable to open port as it is busy in other application". So can anybody tell me what may be the problem & how to overcome from it? Can anybody give me correct code to dial a number from COM port in C#.Net?

    D M 2 Replies Last reply
    0
    • L lgauri

      I want to dial a number from COM port.I am using Nokia 6300 as a modem which is connected to USB port. Even though computer is accepting mobile as a modem i am getting error in port opening. Sample programs which i used to run application gives error "No phone is connected" or "Unable to open port as it is busy in other application". So can anybody tell me what may be the problem & how to overcome from it? Can anybody give me correct code to dial a number from COM port in C#.Net?

      D Offline
      D Offline
      DaveyM69
      wrote on last edited by
      #2

      It could be due to the baud rate. This[^] article is about sending SMS but it may help. Once connected you should be able to use standard AT commands to dial.

      Dave

      1 Reply Last reply
      0
      • L lgauri

        I want to dial a number from COM port.I am using Nokia 6300 as a modem which is connected to USB port. Even though computer is accepting mobile as a modem i am getting error in port opening. Sample programs which i used to run application gives error "No phone is connected" or "Unable to open port as it is busy in other application". So can anybody tell me what may be the problem & how to overcome from it? Can anybody give me correct code to dial a number from COM port in C#.Net?

        M Offline
        M Offline
        Manoj Kumar Rai
        wrote on last edited by
        #3

        As you have said, the nokia modem is connected to USB port. Please make sure that you are using the same port in your application. A common mistake people do is to try to open a COM port #1 or #2 instead of USB one.

        Manoj Never Gives up

        1 Reply Last reply
        0
        Reply
        • Reply as topic
        Log in to reply
        • Oldest to Newest
        • Newest to Oldest
        • Most Votes


        • Login

        • Don't have an account? Register

        • Login or register to search.
        • First post
          Last post
        0
        • Categories
        • Recent
        • Tags
        • Popular
        • World
        • Users
        • Groups