Tarife mit Vertrag

Tarife, Optionsbuchung, Einstellungen, Entstörung, mobiles Telefonieren & Surfen, Rechnungen

    2. Infos, FAQs und HowTos - Alle Themen im Überblick 5

      • Christian
      • August 3, 2021 at 12:38 PM
    3. Replies
      5
      Views
      180k
      5

    4. Christian

      August 3, 2021 at 12:38 PM

    2. Rufnummernportierung (Opt-In) 4.1k

      • congstar
      • February 3, 2022 at 10:29 AM
      • congstar
      • January 23, 2026 at 1:00 PM
    3. Replies
      4.1k
      Views
      898k
      4.1k

    4. Tina

      January 23, 2026 at 1:00 PM

    2. Black Friday 2025 Sammelthread congstar Allnet Flat M und Allnet Flat L mit GB+ und Relax Pass und Allnet Flat S mit GB+ 673

      • Tatiana
      • November 17, 2025 at 2:10 PM
      • Tatiana
      • December 22, 2025 at 8:51 AM
    3. Replies
      673
      Views
      76k
      673

    4. Stephanie

      December 22, 2025 at 8:51 AM

    2. congstar MultiSIM - Eure Fragen, unsere Antworten 196

      • Christian
      • November 27, 2025 at 8:26 PM
    3. Replies
      196
      Views
      139k
      196

    4. MCP62

      November 27, 2025 at 8:26 PM

    2. congstar MultiSIM - Alles was ihr wissen müsst

      • Christian
      • February 21, 2023 at 10:35 AM
    3. Replies
      0
      Views
      47k

    2. congstar X - alles was ihr wissen müsst

      • congstar
      • September 21, 2020 at 1:40 PM
      • congstar
      • September 21, 2020 at 1:40 PM
    3. Replies
      0
      Views
      29k

    2. Postpaid Optionen (Buchung, Kündigung und Verwaltung) 1

      • congstar
      • February 16, 2014 at 4:02 PM
      • congstar
      • May 15, 2015 at 3:21 PM
    3. Replies
      1
      Views
      142k
      1

    4. congstar

      May 15, 2015 at 3:21 PM

    2. Alles rund um Rechnungstarife, Antworten auf (fast) alle eure Fragen, bitte zuerst lesen! 1

      • congstar
      • February 15, 2014 at 4:28 PM
      • congstar
      • February 15, 2014 at 4:29 PM
    3. Replies
      1
      Views
      80k
      1

    4. congstar

      February 15, 2014 at 4:29 PM

    2. Neue Netzkennung für die Telekom („Im besten Netz.“) - Auch für Congstar Kunden? 6

      • JoMei44
      • January 22, 2026 at 12:08 PM
      • JoMei44
      • January 22, 2026 at 10:56 PM
    3. Replies
      6
      Views
      711
      6

    4. zedtea

      January 22, 2026 at 10:56 PM

    2. eingeschränkte Funktion bei Microsoft Teams 2

      • Gabi_Berlin
      • January 22, 2026 at 5:56 PM
    3. Replies
      2
      Views
      184
      2

    4. Gabi_Berlin

      January 22, 2026 at 5:56 PM

    2. MMS Versand deaktivieren 4

      • Rene
      • January 22, 2026 at 6:24 AM
      • Rene
      • January 22, 2026 at 11:14 AM
    3. Replies
      4
      Views
      211
      4

    4. Rene

      January 22, 2026 at 11:14 AM

    2. e-SIM / Zugang zu meincongstar 8

      • Eule34
      • January 21, 2026 at 3:04 PM
      • Eule34
      • January 22, 2026 at 11:06 AM
    3. Replies
      8
      Views
      358
      8

    4. Tina

      January 22, 2026 at 11:06 AM

    2. Zahlungsmethode - nur PayPal verfügbar 1

      • mar-con
      • January 22, 2026 at 8:49 AM
      • mar-con
      • January 22, 2026 at 9:25 AM
    3. Replies
      1
      Views
      120
      1

    4. Tina

      January 22, 2026 at 9:25 AM

    2. Nach Gerätewechsel physische SIM gesperrt / kein Zugriff auf SIM 3

      • alexschlesier
      • January 20, 2026 at 9:26 AM
    3. Replies
      3
      Views
      275
      3

    4. alexschlesier

      January 20, 2026 at 9:26 AM

    2. Anfrage zur Vertragskündigung und Rufnummernmitnahme 16

      • Yasin95
      • January 17, 2026 at 11:09 AM
      • Yasin95
      • January 17, 2026 at 1:52 PM
    3. Replies
      16
      Views
      687
      16

    4. Yasin95

      January 17, 2026 at 1:52 PM

    2. ersatz sim lässt sich nicht aktivieren 1

      • John1218
      • January 16, 2026 at 11:51 AM
      • John1218
      • January 16, 2026 at 12:20 PM
    3. Replies
      1
      Views
      183
      1

    4. Stephanie

      January 16, 2026 at 12:20 PM

    2. Wechsel von Postpaid zu Prepaid 2

      • hundredth0474
      • January 16, 2026 at 10:54 AM
    3. Replies
      2
      Views
      197
      2

    4. hundredth0474

      January 16, 2026 at 10:54 AM

    2. „Sperre anonyme Anrufe‘‘ ( ACR ) 13

      • Alex_DE
      • July 14, 2020 at 7:53 AM
      • Alex_DE
      • January 16, 2026 at 8:35 AM
    3. Replies
      13
      Views
      9.7k
      13

    4. Steffi

      January 16, 2026 at 8:35 AM

    2. Anonyme Anrufer sperren 124

      • Stefan_1967
      • January 13, 2026 at 9:55 PM
    3. Replies
      124
      Views
      37k
      124

    4. Eclipse

      January 13, 2026 at 9:55 PM

    2. Übernahme eines von 2 bestehenden Verträgen 2

      • Santi130405
      • January 10, 2026 at 3:55 PM
    3. Replies
      2
      Views
      307
      2

    4. Santi130405

      January 10, 2026 at 3:55 PM

    2. Nach Tarifumstellung schlechterer Empfang 11

      • Schubladenhubser
      • January 10, 2026 at 11:17 AM
    3. Replies
      11
      Views
      1.4k
      11

    4. Schubladenhubser

      January 10, 2026 at 11:17 AM

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